Light Bicycle Carbon Rims- Mtbr.com
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  1. #1
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    Light Bicycle Carbon Rims

    Hello MTBR,

    Sorry for being late to the party and not participating in the forums in the past. We felt that we needed more experience before talking to customers here. We will try to answer your questions as openly as possible.

    If you need warranty support, please fill out the form here. If you have an OEM inquiry or other important private message, then we invite you to contact us directly.

    We have learned so much from our customers and it's been very exciting to be a part of the cycling industry. Your trust has allowed us to continually develop our product line and technology. Thank you to those who have given us a chance over the years!
    Last edited by light bicycle; 12-03-2015 at 11:59 PM.
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  2. #2
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    Your company has clearly derived SUBSTANTIAL benefits from the mtbr community as witnessed by multiple threads focused on your products and hundreds, if not thousands, of posts discussing your rims. I suppose it's nice of you to begin participating, but I wonder what you intend to contribute in return? To date I have not seen your company provide any support to this site, such as paid advertising or sponsorship. This particular thread is no more than a free advertisement that you have initiated. What's in it for us and for mtbr?

  3. #3
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    Quote Originally Posted by Myers005 View Post
    Your company has clearly derived SUBSTANTIAL benefits from the mtbr community as witnessed by multiple threads focused on your products and hundreds, if not thousands, of posts discussing your rims. I suppose it's nice of you to begin participating, but I wonder what you intend to contribute in return? To date I have not seen your company provide any support to this site, such as paid advertising or sponsorship. This particular thread is no more than a free advertisement that you have initiated. What's in it for us and for mtbr?
    Hi Myers005,

    We hope to share some of our knowledge of what we've learned over the years and answer customers questions in a format they are comfortable in. We have noticed the interest on MTBR for our products and would like to provide up to date information to avoid confusion and mis-information. It is harder for a Chinese company to understand the cycling culture and terminology but we feel that we are in a position to participate in a meaningful way now.

    We have not done major advertisements, sponsorship and initiated product reviews in the past. This is high on our priority list and we will certainly be contacting MTBR to investigate the possibilities! If you have any suggestions for us on what you would like to see, we'd be happy to hear from you.
    http://www.lightbicycle.com
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  4. #4
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    If they actually paid for advertising, then they'd have to charge more, you know, kind of like the legit companies who advertise with sites like MTBR and in magazines, who provide sponsorship to local cycling programs, who invest $$$$ in R&D and testing, you know, stuff that ads up and makes honest retail products cost more than the ones sold directly from china using technology/designs stolen from these legit manufacturers.

    Quote Originally Posted by Myers005 View Post
    Your company has clearly derived SUBSTANTIAL benefits from the mtbr community as witnessed by multiple threads focused on your products and hundreds, if not thousands, of posts discussing your rims. I suppose it's nice of you to begin participating, but I wonder what you intend to contribute in return? To date I have not seen your company provide any support to this site, such as paid advertising or sponsorship. This particular thread is no more than a free advertisement that you have initiated. What's in it for us and for mtbr?
    Quote Originally Posted by Harold
    You're doing mtbr wrong, you're supposed to get increasingly offended by the implications that you're doing ANYTHING wrong.

  5. #5
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    My guess is the person posting as light bicycle is an american distributer who has agreed to be the North American face/voice for Light Bicycle. This person saw an void in the Customer Service department for Light Bicycle, and is now chosing to capatalize on this.

    This is my best guess only, but I would think mtbr has helped to generate the majority of the business for light bicycle branded products.

  6. #6
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    Quote Originally Posted by light bicycle View Post
    Hi Myers005,

    We hope to share some of our knowledge of what we've learned over the years and answer customers questions in a format they are comfortable in. We have noticed the interest on MTBR for our products and would like to provide up to date information to avoid confusion and mis-information. It is harder for a Chinese company to understand the cycling culture and terminology but we feel that we are in a position to participate in a meaningful way now.

    We have not done major advertisements, sponsorship and initiated product reviews in the past. This is high on our priority list and we will certainly be contacting MTBR to investigate the possibilities! If you have any suggestions for us on what you would like to see, we'd be happy to hear from you.
    lol........ Instead of "if you have any suggestions for us on what you would like to see" It should read......."what you would like us to steal"

  7. #7
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    Holy shit guys! Give him/her a break. It's not out of the realm of possibility that they actually care about us and providing the best possible customer service. If they bite the hand that feeds them, then go for it. Otherwise, cut the crap!!!

  8. #8
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    Exactly, give him a break. I don't see anyone talking about nox, derby and atomik about advertise.
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  9. #9
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    Quote Originally Posted by ckspeed View Post
    Exactly, give him a break. I don't see anyone talking about nox, derby and atomik about advertise.
    Seriously...

  10. #10
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    Quote Originally Posted by LyNx View Post
    If they actually paid for advertising, then they'd have to charge more, you know, kind of like the legit companies who advertise with sites like MTBR and in magazines, who provide sponsorship to local cycling programs, who invest $$$$ in R&D and testing, you know, stuff that ads up and makes honest retail products cost more than the ones sold directly from china using technology/designs stolen from these legit manufacturers.
    We employ a team of full time engineers and invest a large amount of money in testing equipment and machinery to produce our rims. Each company must choose its own path to sell its products. We are not here to argue about who made what product first, who is copying who etc. There are two sides to every story.

    Quote Originally Posted by jonshonda View Post
    My guess is the person posting as light bicycle is an american distributer who has agreed to be the North American face/voice for Light Bicycle. This person saw an void in the Customer Service department for Light Bicycle, and is now chosing to capatalize on this.

    This is my best guess only, but I would think mtbr has helped to generate the majority of the business for light bicycle branded products.
    There are a few team members discussing and posting on MTBR and all of them work for Light Bicycle, not a distributor. We are here to try and answer questions as openly as possible and try to contribute to the MTBR forum.

    Quote Originally Posted by BlownCivic View Post
    Holy shit guys! Give him/her a break. It's not out of the realm of possibility that they actually care about us and providing the best possible customer service. If they bite the hand that feeds them, then go for it. Otherwise, cut the crap!!!
    We thought the forum was a good place to address questions and concerns and to avoid misinformation. It is hard to interpret some of the comments, so we have several people involved to help. We genuinely want to increase our customer service level.
    Last edited by light bicycle; 12-04-2015 at 12:01 AM.
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  11. #11
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    Thanks for posting. Personally I like to see vendors provide intelligent advice and information about equipment on this site.

  12. #12
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    I think it happens like this. A factory does say "hey, lets copy some product out there and make piles of money" they are obviously a carbon factory and were probably making somthing oe in the bike world. They sell direct under a different brand. Maybe the OE only ordered a run of a thousand rims. Tooling for molds is big dollars, why toss them? After what seems like alot of sales on mtbr, the thought has to enter their minds to the fact they now have a retail bussines and should concentrate on customer support.

    Yes they should help out mtbr as it possibly has been the majority of their orders.

  13. #13
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    Quote Originally Posted by light bicycle View Post
    We employ a team of full time engineers and invest a large amount of money in testing equipment and machinery to produce our rims. Each company must choose its own path to sell its products. We are not here to argue about who made what product first, who is copying who etc. There are two sides to every story.
    I am 100% for a company supplying quality products to consumers at a lower cost than its competitors. Don't get me wrong.

    I do have to ask a few questions though.

    1) Does light bicycle own the factory the rims are being produced in?

    2) Does this same factory produce carbon rims for other companies?

    3) Do the same engineers that work for light bicycle also work on the projects for other companies?

    4) Was light bicycle producing carbon rims for bicycles prior to being contracted by outside sources?

  14. #14
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    Waiting for LB to respond to this, although do you really think they will respond honestly?

    Quote Originally Posted by jonshonda View Post
    I am 100% for a company supplying quality products to consumers at a lower cost than its competitors. Don't get me wrong.

    I do have to ask a few questions though.

    1) Does light bicycle own the factory the rims are being produced in?

    2) Does this same factory produce carbon rims for other companies?

    3) Do the same engineers that work for light bicycle also work on the projects for other companies?

    4) Was light bicycle producing carbon rims for bicycles prior to being contracted by outside sources?
    Quote Originally Posted by Harold
    You're doing mtbr wrong, you're supposed to get increasingly offended by the implications that you're doing ANYTHING wrong.

  15. #15
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    I hope they respond "none of your effin' business".

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    Haha. Kinda true!

  17. #17
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    Quote Originally Posted by jonshonda View Post
    I am 100% for a company supplying quality products to consumers at a lower cost than its competitors. Don't get me wrong.

    I do have to ask a few questions though.

    1) Does light bicycle own the factory the rims are being produced in?

    2) Does this same factory produce carbon rims for other companies?

    3) Do the same engineers that work for light bicycle also work on the projects for other companies?

    4) Was light bicycle producing carbon rims for bicycles prior to being contracted by outside sources?
    Hi Jonshonda, Thank you for your questions.

    1) It is the same owners. There is no "middle man" if that is what you are wondering, and we do not sell our rims (intentionally) to any Trading Companies.

    2) Yes

    3) Yes. Our engineers may help with OEM projects if they do not have their own engineer(s) on the project.

    4) Yes. Selling products direct to consumers was the best way for us to understand what people wanted, and also attract OEM partnerships. Otherwise it is much harder for a younger company to get the opportunity to work with OEM's.
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    Any fix for delaminating carbon rim?

    My LB wheels are only 1 month old, but the rear one has a delamination spot, about 5 mm long and 3 mm wide.
    The rims are matte UD finish. There are some scratches for normal use, I don't mind that.

    So any fix or tips to reduce this delamination process?

  19. #19
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    Quote Originally Posted by inter View Post
    My LB wheels are only 1 month old, but the rear one has a delamination spot, about 5 mm long and 3 mm wide.
    The rims are matte UD finish. There are some scratches for normal use, I don't mind that.


    So any fix or tips to reduce this delamination process?
    Hi Inter, Can you send a few pictures to [email protected] ?

    If so, please clean up the area before taking photos so we can have a look at what is going on. Once we have a look, we can provide further comments.
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  20. #20
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    Well, I feel better now about Light Bicycle and their products from the standpoint of them creating products through their own RnD. Not simply taking (stealing) technology others developed/paid for and selling it as their own for a discounted price.

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    Quote Originally Posted by jonshonda View Post
    I am 100% for a company supplying quality products to consumers at a lower cost than its competitors. Don't get me wrong.

    I do have to ask a few questions though.

    1) Does light bicycle own the factory the rims are being produced in?

    2) Does this same factory produce carbon rims for other companies?

    3) Do the same engineers that work for light bicycle also work on the projects for other companies?

    4) Was light bicycle producing carbon rims for bicycles prior to being contracted by outside sources?
    It seems like you are trying to "catch" them for something but I think what your getting at is the basic principals of manufacturing these days.

    I bet you could buy the hot item that any company is selling us Americans, for premium prices, direct from China for next to nothing if you had the channels. LB just seems smart enough to make it easy to do, and will benefit from this decision (until one of their customers learns to write up a strong contract).

  22. #22
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    Thank you for posting on the forum and answering questions.
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    It's simple.... If you don't like their practices or product, don't read this forum.

  24. #24
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    Who did they steal their designs and technology from? My ENVEs seem to have a different layup process. On the cycling rim manufacturing front it seems that China is the innovator. Other than suspension design, I wonder how much input western engineers have regarding manufacturing cycling products.


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    Happy customer here. Three years on your rims so far. They've taken a bunch of rocks strikes that I thought broke the rim, but they are fine.

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    Quote Originally Posted by DrDon View Post
    Who did they steal their designs and technology from? My ENVEs seem to have a different layup process. On the cycling rim manufacturing front it seems that China is the innovator. Other than suspension design, I wonder how much input western engineers have regarding manufacturing cycling products.
    Well, I just don't think China does much without being asked to. 99.9 times out of 100 someone comes to China to manufacture a new item, but a Chinese company introducing something new an innovative to the market doesn't happen. They typically tend to capitalize on knock-offs or very "similar" technology to existing products.

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    Quote Originally Posted by jonshonda View Post
    Well, I just don't think China does much without being asked to. 99.9 times out of 100 someone comes to China to manufacture a new item, but a Chinese company introducing something new an innovative to the market doesn't happen. They typically tend to capitalize on knock-offs or very "similar" technology to existing products.
    Do you have any references to back that up that stat? I have no idea myself, but I understand that many companies focus on cost and efficiency, which in itself provides significant value.

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    Quote Originally Posted by light bicycle View Post
    Hi Inter, Can you send a few pictures to [email protected] ?

    If so, please clean up the area before taking photos so we can have a look at what is going on. Once we have a look, we can provide further comments.
    so what do you think? I emailed also.
    looks like the thin skin is peeling off. what may have caused it?

    Light Bicycle Carbon Rims-20151205_105301.jpg

  29. #29
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    Quote Originally Posted by inter View Post
    so what do you think? I emailed also.
    looks like the thin skin is peeling off. what may have caused it?
    i'm no expert, and it's pretty small, but looks like a rock strike to me.

  30. #30
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    Looks like clearcoat dmg to me. I got a whole lot of that by sticking a carbon seatpost into a metal frame (easton ec90).

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    Quote Originally Posted by jonshonda View Post
    Well, I just don't think China does much without being asked to. 99.9 times out of 100 someone comes to China to manufacture a new item, but a Chinese company introducing something new an innovative to the market doesn't happen. They typically tend to capitalize on knock-offs or very "similar" technology to existing products.
    I would think it would be hard for a culture such as China to anticipate some of our needs especially US mountain bikers. I'm not a China fanboy, in fact I feel our industry and government leaders should work on providing a stronger more specialized long term manufacturing base.


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    Quote Originally Posted by objectuser View Post
    i'm no expert, and it's pretty small, but looks like a rock strike to me.
    yeah it is small about the size of a nipple, I am just a little worry, it may "grow", the rims only 1 month old. It may caused by rock strike, not sure, but I saw the skin peeling off while cleaning bike. Like Varaxis said, clearcoat damage.

  33. #33
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    I have some surface crap on mine, but it doesn't look worrying to me. But mine are over a year old and have spent a couple of summers on the Colorado Front Range will all the rocks and crap there. Very happy with the result so far.

  34. #34
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    maybe a bit of clear nailpolish to seal it up and stop any de-laminating? not sure if the nail polish is to harsh for the rest of the clear coat though

  35. #35
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    Quote Originally Posted by inter View Post
    so what do you think? I emailed also.
    looks like the thin skin is peeling off. what may have caused it?
    Hi Inter,

    It looks like that was caused from a rock strike. That is the matte finish which has bubbled up a bit, it is not the carbon fiber. The best way to check these areas for significant damage (to the actual carbon) is to press on it. If you feel it move, then you've got a weak spot.
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  36. #36
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    Welcome! I've had 3 sets of LB rims and they've all been awesome.

    Hopefully this thread can stay focused on tech support for existing customers.

    My question:any suggestions on how to repair cosmetic damage (scrapes etc) on your rims?
    I have some UD gloss finish rims that are looking pretty rough although functionally they're %100.
    I also have some UD matte rims, same question.

    Thanks!

  37. #37
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    LB, will you be mfg any other asymmetrical 26 inch rim in the 30mm internal width beside the 28in that were mention a few times in MTBR? I like the 31.6mm that I have but would like to build a 26 Asym wheelset in 30mm internal width.
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  38. #38
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    Quote Originally Posted by FM View Post
    Welcome! I've had 3 sets of LB rims and they've all been awesome.

    Hopefully this thread can stay focused on tech support for existing customers.

    My question:any suggestions on how to repair cosmetic damage (scrapes etc) on your rims?
    I have some UD gloss finish rims that are looking pretty rough although functionally they're %100.
    I also have some UD matte rims, same question.

    Thanks!
    Hi FM, I'll need to consult with some more team members on this to see what might help. I have been thinking about this lately as well. Here are my initial thoughts:

    - They could be wet-sanded and then apply a new finish (probably not feasible for most end-users)
    - Clean as best you can and apply new stickers to cover up the bad scrapes from someone like this
    - We've seen clear protective tape made by 3M etc. used to protect carbon bike frames from damage. Is anyone doing this for carbon rims?
    - We are testing some new ideas to improve the scratch resistance on future rims. I think scratches will be inevitable, but as with anything it can be improved upon.

    I'll ask around when some of the other workers are back and see if they have any suggestions on how to help.
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  39. #39
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    Quote Originally Posted by ckspeed View Post
    LB, will you be mfg any other asymmetrical 26 inch rim in the 30mm internal width beside the 28in that were mention a few times in MTBR? I like the 31.6mm that I have but would like to build a 26 Asym wheelset in 30mm internal width.
    Hi ckspeed,

    If you sign up for our Newsletter, we'll be sending out a product poll. The poll will list a number of rims we are considering and you can vote for your favourite. You will also have the opportunity to list your dream rim if it's not listed in the poll.

    The easiest way to sign up for our newsletter is by going to our website and scrolling down to the bottom. You just have to provide your e-mail and that's it. We will only be sending occasional newsletters, but if you ever wish to remove yourself from the list you just click the "unsubscribe" button at the bottom of your email and then you are removed.
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  40. #40
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    Hi LB,

    I have heard/read some rumors that you will soon be offering a 35 mm offset rim for 29ers.

    Is there any truth to that?

    If so, when will they be available for order?

    Thanks for the direct communication pipeline!
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  41. #41
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    Quote Originally Posted by kosmo View Post
    Hi LB,

    I have heard/read some rumors that you will soon be offering a 35 mm offset rim for 29ers.

    Is there any truth to that?

    If so, when will they be available for order?

    Thanks for the direct communication pipeline!
    Hi Kosmo,

    We are going through a few more revisions and will have a number of asymmetrical rims available to order on our website later this month (or asap), including a 34mm 29er.
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  42. #42
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    Quote Originally Posted by light bicycle View Post
    Hi Inter,

    It looks like that was caused from a rock strike. That is the matte finish which has bubbled up a bit, it is not the carbon fiber. The best way to check these areas for significant damage (to the actual carbon) is to press on it. If you feel it move, then you've got a weak spot.
    He could also tap on with something, like a quarter or small box wrench. The good carbon will give a resonating sound while a damaged area will give a dull thud.
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  43. #43
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    Quote Originally Posted by light bicycle View Post
    Hi Inter,

    It looks like that was caused from a rock strike. That is the matte finish which has bubbled up a bit, it is not the carbon fiber. The best way to check these areas for significant damage (to the actual carbon) is to press on it. If you feel it move, then you've got a weak spot.
    LB, no weak spot, no leaking air also. Just worry it will "grow". for now, I just put clear tape on it.

  44. #44
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    I've had a set of your wheels for over a year, super happy with them! Just wish I had decals made for them instead of blank rims... Guess I'll order decals on my next set.
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  45. #45
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    Quote Originally Posted by inter View Post
    LB, no weak spot, no leaking air also. Just worry it will "grow". for now, I just put clear tape on it.
    Hi Inter, We received your e-mail but we might as well finish the conversation on MTBR since it was posted here already. Another option to consider would be applying masking tape all around the area and then wetting very fine grit sandpaper and removing the "bubbly" top layer in that area. Sand very lightly as you don't want to be sanding the actual carbon. Then remove the masking tape. The masking tape is just there so you don't accidentally sand too much surface area. I don't think it will spread that easily unless it gets hit by a rock in that same area. I would just keep an eye on it for now, or apply a clear layer of tape over that spot as you've said.
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  46. #46
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    Quote Originally Posted by light bicycle View Post
    Hi Kosmo,

    We are going through a few more revisions and will have a number of asymmetrical rims available to order on our website later this month (or asap), including a 34mm 29er.
    Thanks!

    It would be worth mentioning here when those new rims hit your website.
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    Cool. I've been following threads/posts about Light Bicycle for a really long time so this is exciting to see.

    I like your website. One thing that would be nice though to see in the future is the ability to configure and order one wheel (front or back) instead of being locked into a pair. Stan's is like this as well as others.

    I just find it to be more flexible and easier to upgrade, or if you blow up a wheel (any brand) and want to replace it etc. I bought just a rear wheel online (Stan's) earlier this year even because I wanted a 2nd rear wheel with a dif tire setup.

    I probably would have bought an LB wheel by now if it were setup that way.
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  48. #48
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    Quote Originally Posted by zephxiii View Post
    Cool. I've been following threads/posts about Light Bicycle for a really long time so this is exciting to see.

    I like your website. One thing that would be nice though to see in the future is the ability to configure and order one wheel (front or back) instead of being locked into a pair. Stan's is like this as well as others.

    I just find it to be more flexible and easier to upgrade, or if you blow up a wheel (any brand) and want to replace it etc. I bought just a rear wheel online (Stan's) earlier this year even because I wanted a 2nd rear wheel with a dif tire setup.

    I probably would have bought an LB wheel by now if it were setup that way.
    Hi zephxiii,

    This is a great suggestion. We have assumed customers would e-mail us for an option not shown on the website, but I agree that it would be nice to have a single wheel option built into the program. Maybe the first option would be "complete wheelset", "front wheel only", "rear wheel only".

    Last week we launched an improved wheelset building tool that provides some pictures and information as you click through the options. I'll see if our programmer can add the front/rear/complete option to this.

    Light Bicycle Carbon Rims-2015-12-07_light-bicycle-wheel-builder.png
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  49. #49
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    Regarding rims scratches, my rear rim is covered with scuffs and scratches, some pretty deep. I've been riding on this for the last year and it's holding up just fine. I think that little nick will be ok.

    Light Bicycle Carbon Rims-image.jpg

  50. #50
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    Quote Originally Posted by amish_matt View Post
    Regarding rims scratches, my rear rim is covered with scuffs and scratches, some pretty deep. I've been riding on this for the last year and it's holding up just fine. I think that little nick will be ok.

    Click image for larger version. 

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    well I don't see yours delaminating. Mine is.

  51. #51
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    Hi LB
    Thanks for posting here. I've bought 2 Wheelsets from you which were both great.
    Do you plan on offering Bitex hubs anytime soon? I'm curious as to why you guys are sticking with Novatec, which are absolutely garbage. I've blown up multiple rear 772's and I know many folks who have had the same experience. The Bitex hub is very affordable , light and high engagement for what it is. Why stick with Novatec? I think I would have already bought a few more wheels from the LB builders if you offered a Bitex option.
    Thanks

  52. #52
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    Quote Originally Posted by elsinore View Post
    Hi LB
    Thanks for posting here. I've bought 2 Wheelsets from you which were both great.
    Do you plan on offering Bitex hubs anytime soon? I'm curious as to why you guys are sticking with Novatec, which are absolutely garbage. I've blown up multiple rear 772's and I know many folks who have had the same experience. The Bitex hub is very affordable , light and high engagement for what it is. Why stick with Novatec? I think I would have already bought a few more wheels from the LB builders if you offered a Bitex option.
    Thanks
    We tried selling the Bitex hubs in the past but they were not very popular for us, so we had to stop stocking them. In another post, we were talking about offering individual wheels. So maybe a good option would be to match a black DT Swiss 350 or Hope rear to a front wheel with a cheaper black Novatec hub.
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  53. #53
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    Update: We should have the individual wheel program updated on our site by the end of this week!


    Quote Originally Posted by light bicycle View Post
    Hi zephxiii,

    This is a great suggestion. We have assumed customers would e-mail us for an option not shown on the website, but I agree that it would be nice to have a single wheel option built into the program. Maybe the first option would be "complete wheelset", "front wheel only", "rear wheel only".

    Last week we launched an improved wheelset building tool that provides some pictures and information as you click through the options. I'll see if our programmer can add the front/rear/complete option to this.

    Click image for larger version. 

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    Are you looking to offer the Novatech D542SB hub as a wheelbuild option soon?

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    The new wheel configure page is great.

  56. #56
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    Quote Originally Posted by light bicycle View Post
    Update: We should have the individual wheel program updated on our site by the end of this week!
    Awesome! Thank You. I'll definitely be playing around with that as I am planning on at least a rear wheel for the road bike, and front for the 29er.

    I was playing around with the wheel program prior to posting and thought it was pretty sweet.
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    Quote Originally Posted by elsinore View Post
    Hi LB
    Thanks for posting here. I've bought 2 Wheelsets from you which were both great.
    Do you plan on offering Bitex hubs anytime soon? I'm curious as to why you guys are sticking with Novatec, which are absolutely garbage. I've blown up multiple rear 772's and I know many folks who have had the same experience. The Bitex hub is very affordable , light and high engagement for what it is. Why stick with Novatec? I think I would have already bought a few more wheels from the LB builders if you offered a Bitex option.
    Thanks
    Agreed - I've been considering a set of LB wheels for some time now, but the hubs are what throws me off. I don't want to spend the additional $$ for the higher-end hub offerings, but my experience has always been that Bitex hubs are much better than the NovaTec equivalents.

    I may end up buying rims separately and having them built to Bitex hubs locally.

  58. #58
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    LB

    Two questions: any idea if the DT Swiss 240 hubs will be available with Boost 148 rear?

    And with your wheel builder could you add a feature that totals build weight.

    Thanks

  59. #59
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    Quote Originally Posted by jon123 View Post
    Two questions: any idea if the DT Swiss 240 hubs will be available with Boost 148 rear?
    ... and DT 350 in Boost too please.

  60. #60
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    Quote Originally Posted by jon123 View Post
    LB

    Two questions: any idea if the DT Swiss 240 hubs will be available with Boost 148 rear?

    And with your wheel builder could you add a feature that totals build weight.

    Thanks
    Hi Jon123,

    Yes, we are ordering Boost DT 240 hubs, they might not be here until ~February though.

    For the wheelset weight, yes we would like to add this in the future. If you want to check DT wheelset weights with our rims, the DT Swiss spoke calculator is very accurate. Enter the rim ERD and weights and then choose from the list of DT Swiss parts (spokes/hubs/nipples). It will calculate the weights of the front/rear and wheelset. It even accounts for the weight change due to spoke lengths.

    If you happen to have other hubs, you could still use this calculator and override the hub weight by looking up on the manufacturers website. Here is the link: https://spokes-calculator.dtswiss.com/en/calculator
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  61. #61
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    Quote Originally Posted by alixta View Post
    ... and DT 350 in Boost too please.
    Hi Alixta, Initially, we were planning on doing DT 240's and Hopes in Boost format. We'll re-consider boost 350's. Do you prefer the J-bend or straight pull version, centerlock or 6-bolt rotors, 28 or 32h?

    Do you think the Boost hubs will be really popular in 2016, and is it mostly the boost rear hubs people will want or the complete set? There is a boost front hub which is 110x15mm instead of 100x15mm.

    Sorry, you asked us 1 question and we respond with asking you 5 more questions...

    Thank You!
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  62. #62
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    Quote Originally Posted by alixta View Post
    Are you looking to offer the Novatech D542SB hub as a wheelbuild option soon?
    Sorry, I missed this reply yesterday. I don't think we'll be offering this hub option. We are concentrating on the Hope hubs and DT Swiss 350/240 level.
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  63. #63
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    Quote Originally Posted by light bicycle View Post
    Hi Alixta, Initially, we were planning on doing DT 240's and Hopes in Boost format. We'll re-consider boost 350's. Do you prefer the J-bend or straight pull version, centerlock or 6-bolt rotors, 28 or 32h?

    Do you think the Boost hubs will be really popular in 2016, and is it mostly the boost rear hubs people will want or the complete set? There is a boost front hub which is 110x15mm instead of 100x15mm.

    Sorry, you asked us 1 question and we respond with asking you 5 more questions...

    Thank You!
    I know you didn't ask me this question but ... I think you will find there will be increasing demand for Boost hubs. Frame manufacturers are switching over - Santa Cruz, Ibis, Pivot, Yeti for example. And it's only going to increase.

  64. #64
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    Quote Originally Posted by light bicycle View Post
    Hi Alixta, Initially, we were planning on doing DT 240's and Hopes in Boost format. We'll re-consider boost 350's. Do you prefer the J-bend or straight pull version, centerlock or 6-bolt rotors, 28 or 32h?

    Do you think the Boost hubs will be really popular in 2016, and is it mostly the boost rear hubs people will want or the complete set? There is a boost front hub which is 110x15mm instead of 100x15mm.
    Personally I'd go DT350 over Hope, also J over straight and 32. Especially with DT350 being US$80 cheaper than Hope on your site.

    I'd speculate that the majority of new boost bikes will be boost front and rear. How that translates to sales for you guys is hard to say though.

  65. #65
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    Quote Originally Posted by jon123 View Post
    I know you didn't ask me this question but ... I think you will find there will be increasing demand for Boost hubs. Frame manufacturers are switching over - Santa Cruz, Ibis, Pivot, Yeti for example. And it's only going to increase.
    Thank you for your feedback Jon. Yes, it's hard for us to figure out when it will start to change and if the boost front wheels will be as popular as the rears.
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  66. #66
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    Quote Originally Posted by alixta View Post
    Personally I'd go DT350 over Hope, also J over straight and 32. Especially with DT350 being US$80 cheaper than Hope on your site.

    I'd speculate that the majority of new boost bikes will be boost front and rear. How that translates to sales for you guys is hard to say though.
    Thank you Alixta, yes we might need to get some 350 boost hubs ordered as well. We do see that J-bend/32h/6-bolt disc hubs are more popular.
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  67. #67
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    Light Bicycle Carbon Rims

    Thanks for participating in the forum LB! I have your rims in two Pivot bikes and they have been wonderful. Over 2500 miles of riding and still going strong.




  68. #68
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    Quote Originally Posted by light bicycle View Post
    Thank you Alixta, yes we might need to get some 350 boost hubs ordered as well. We do see that J-bend/32h/6-bolt disc hubs are more popular.
    FWIW, I would predict that offering DT350 hubs in Boost 148/110, J-Bend, 32 hole, 6-bolt configuration will significantly increase your sales.

    I know a lot of serious riders that own nothing other than DT hubs, due almost solely to the star-drive ratchet mechanism. Many race on 240s, but find 350s more than adequate for every day training wheels.
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  69. #69
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    Light Bicycle,

    Is there an option to get only the logo on your avatar put on the rims vs the large Light-Bicycle logo that is available now? Do your decals go under the clear coat?

  70. #70
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    Quote Originally Posted by kosmo View Post
    FWIW, I would predict that offering DT350 hubs in Boost 148/110, J-Bend, 32 hole, 6-bolt configuration will significantly increase your sales.

    I know a lot of serious riders that own nothing other than DT hubs, due almost solely to the star-drive ratchet mechanism. Many race on 240s, but find 350s more than adequate for every day training wheels.
    Hi Kosmo, yes we are wondering about this also. The 350's have really good value and one could upgrade the bearings if they wanted something one step closer to 240's. The freehubs are the same. 240's and 350's are upgradeable to 36 and 54t star ratchets and we see the availability getting better on these.
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  71. #71
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    Quote Originally Posted by Acme54321 View Post
    Light Bicycle,

    Is there an option to get only the logo on your avatar put on the rims vs the large Light-Bicycle logo that is available now? Do your decals go under the clear coat?
    Hi Acme,

    We just designed the new logo (on our Avatar). Our current models are not replaceable and are applied underneath. We are working on new decal designs that are replaceable and applied on top of the clear coat. This style is a bit heavier and thicker than the current decals, but I think the new design will look awesome and it is nice to be able to replace them easily!

    I am not quite sure what is happening with your Avatar. But i like it.
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  72. #72
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    Quote Originally Posted by light bicycle View Post
    Hi Jon123,

    Yes, we are ordering Boost DT 240 hubs, they might not be here until ~February though.

    For the wheelset weight, yes we would like to add this in the future. If you want to check DT wheelset weights with our rims, the DT Swiss spoke calculator is very accurate. Enter the rim ERD and weights and then choose from the list of DT Swiss parts (spokes/hubs/nipples). It will calculate the weights of the front/rear and wheelset. It even accounts for the weight change due to spoke lengths.

    If you happen to have other hubs, you could still use this calculator and override the hub weight by looking up on the manufacturers website. Here is the link: https://spokes-calculator.dtswiss.com/en/calculator
    I asked DT swiss about the availability of 240 hubs in boost format, and was told that they would be an ENVE only option for 2016.
    Can you confirm that you are going to get some ?

    If so, then i might be very interested.
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  73. #73
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    Quote Originally Posted by light bicycle View Post
    Hi Acme,

    We just designed the new logo (on our Avatar). Our current models are not replaceable and are applied underneath. We are working on new decal designs that are replaceable and applied on top of the clear coat. This style is a bit heavier and thicker than the current decals, but I think the new design will look awesome and it is nice to be able to replace them easily!

    I am not quite sure what is happening with your Avatar. But i like it.

    These just came in today. I think it looks pretty good.

    Light Bicycle Carbon Rims-p_20160120_162512_1.jpg

  74. #74
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    Quote Originally Posted by Acme54321 View Post
    These just came in today. I think it looks pretty good.

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    are those the only decals on the rims? i like that style much better than the old one
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  75. #75
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    Quote Originally Posted by obs08 View Post
    are those the only decals on the rims? i like that style much better than the old one
    Yeah those are the only ones. I specifically requested them this way so I don't know if they plan to make it a normal thing or not. These may be the only ones they ever do like this unless you specifically ask, I don't know.

    They do look loads better than the old logo. There was way too much going on with that. These are the first I've ordered from them with any sort of logos.

  76. #76
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    Quote Originally Posted by Acme54321 View Post
    Yeah those are the only ones. I specifically requested them this way so I don't know if they plan to make it a normal thing or not. These may be the only ones they ever do like this unless you specifically ask, I don't know.

    They do look loads better than the old logo. There was way too much going on with that. These are the first I've ordered from them with any sort of logos.
    totally agree, low key is nice. those old logos were obnoxious
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    Just ordered my third set to build up a lighter trail oriented wheelset for my Mach 6.

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    I just got an email reply from LB where they mentioned Chinese New Year is Feb 8, when the factory will shutdown for 2 weeks. Expect delays in delivery during this period!

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    Quote Originally Posted by 20.100 FR View Post
    I asked DT swiss about the availability of 240 hubs in boost format, and was told that they would be an ENVE only option for 2016.
    Can you confirm that you are going to get some ?

    If so, then i might be very interested.
    We've got Boost hubs on order from DT Swiss, 240's and 350's. Hope Pro 4's in Boost on the way as well.
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  80. #80
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    Asymmetrical Rim Update

    Our new asymmetrical rims are now online and in stock, here are the details:

    We have had these molds at the factory for a while now but wanted to perfect the layup and the whole program before releasing on our website. The new rims are 28mm internally and 34mm externally with a relatively thick and short hookless bead for solid impact protection. They have the usual bead seat bump for ease of tubeless setup and security against burping. The 650 version weighs in at 400-410g per rim and the 29 425-435g. We've called the lighter version the AM728 and AM928 respectively (7 or 9 is for the diameter, and the 28 is the internal width). The AM is the light version, and the EN728 and EN928 is the heavier version with extra reinforcement which adds about 45-50g to each rim. We do a complete T700 3k wrap internally so you're getting reinforcement on the sidewalls, center channel, and nipple seats. The EN version is good for more aggressive Enduro style riders.

    We have these rims in stock with a UD matte finish and they can ship within 2 days. If you prefer a glossy finish, 3k, or 12k weave exterior, we can still make those for you, but there would be a wait.

    We have gone with a new style of decal for these rims which are easily replaceable, so you can swap to another colour or replace if you get a bad scratch. All of these rims come with decals at no extra charge and you can choose from the 7 different colours at checkout (all colours are in stock).

    The spoke holes are drilled on angles (left/right/left) so the nipples pull more in line with the spokes which reduces stress. The asymmetric profile is offset 2.6mm which evens out the spoke tension from left to right. It results in a more durable wheel build and we did not go too crazy on the offset so it works great with boost hubs as well as standard.

    We offer a 2 year 25% off crash replacement policy (on these rims only).

    At checkout, we've added a PP35 discount code which essentially removes the PayPal fee. This is active for these rims only.

    27.5 - 28/34mm
    29 - 28/34mm

    Our new lightweight black anodized alloy valves and tubeless rim tape are now in stock. We've added that to the accessories tab on our site. You can order it as a separate item for now, but we will be adding it to our wheel builds soon (so that you can have it installed for you).

    Tape and Valves

    Light Bicycle Carbon Rims-enduro-carbon-rim.jpgLight Bicycle Carbon Rims-img_9416.jpgLight Bicycle Carbon Rims-img_9190.jpgLight Bicycle Carbon Rims-valves-1-.jpg
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  81. #81
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    making space
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    Quote Originally Posted by obs08 View Post
    i sent you a pm but you didnt respond, i am trying so talk to someone about my order and its very difficult. how can i get in contact with someone?
    They're in china. The chat on their website goes live around 8-9pm EST and I have never had a problem using that.

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    Quote Originally Posted by Acme54321 View Post
    They're in china. The chat on their website goes live around 8-9pm EST and I have never had a problem using that.
    i understand they are in china, i will try to use their chat tonight thank you. i was just trying to get a hold of someone and figured they were online right now posting. i am single dad so sometimes by 9pm i am ready to pass out
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  84. #84
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    Quote Originally Posted by obs08 View Post
    i understand they are in china, i will try to use their chat tonight thank you. i was just trying to get a hold of someone and figured they were online right now posting. i am single dad so sometimes by 9pm i am ready to pass out
    Our office hours are Monday~ Friday: 8:30am to 19:30pm Time zone (UTC) ; Saturday: 8:30am to 12:30am

    Current local time in China: 1/27/2016, 5:33:00 AM

    E-mail : [email protected]
    Sales : +86-18030305013
    Skype : light_bicycle
    Chat: There is a live chat at the bottom of our website. If you leave a message during office hours, we will be able to chat live, otherwise we will follow up by e-mail. We take lunch together at ~12 daily so there may be a delay during this time.
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  85. #85
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    Light bicycle

    When will the asymmetrical 28mm rims you talk about be available online as a wheelset? Not just rim only option.

    Thanks

  86. #86
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    Quote Originally Posted by jon123 View Post
    Light bicycle

    When will the asymmetrical 28mm rims you talk about be available online as a wheelset? Not just rim only option.

    Thanks
    Hi Jon,

    They are available now, we just have to build them up. We'll be updating the site to add a wheels page and the custom wheel build form, but for now you can just send us an e-mail with what you'd like and we'll provide a quote by e-mail.

    [email protected] is best.

    Thank You!
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  87. #87
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    Quote Originally Posted by jon123 View Post
    Light bicycle

    When will the asymmetrical 28mm rims you talk about be available online as a wheelset? Not just rim only option.

    Thanks
    We added them to this section now: custom mountain wheels Light-Bicycle

    We'll add them to our carbon wheels section soon as well.
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  88. #88
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    Quote Originally Posted by light bicycle View Post
    We added them to this section now: custom mountain wheels Light-Bicycle

    We'll add them to our carbon wheels section soon as well.
    Please advise when you've added them to the carbon wheels section AND when the Pro 4 hubs are in stock.

    Thanks

  89. #89
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    welcome to the boards. I enjoy chatting directly with the manufacturers here.

    So, I don't have a question, just wanted to welcome you and endorse the products. I just built my second set of LB rims. I cracked the first running too-low pressures in a bike park. Totally my fault and a full year past the warranty expiration but hey, it IS a wear item after all. In my opinion if you don't beat up your rims you're not riding hard enough. Reason I mention it is I ran those cracked rims (set up tubeless) for a full summer of local trail riding and they still held air. Eventually the cracks grew and I got a little worried, but for anyone worried about scratches or cosmetic damage, rest easy, these things are very strong.

  90. #90
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    Quote Originally Posted by RTM View Post
    welcome to the boards. I enjoy chatting directly with the manufacturers here.

    So, I don't have a question, just wanted to welcome you and endorse the products. I just built my second set of LB rims. I cracked the first running too-low pressures in a bike park. Totally my fault and a full year past the warranty expiration but hey, it IS a wear item after all. In my opinion if you don't beat up your rims you're not riding hard enough. Reason I mention it is I ran those cracked rims (set up tubeless) for a full summer of local trail riding and they still held air. Eventually the cracks grew and I got a little worried, but for anyone worried about scratches or cosmetic damage, rest easy, these things are very strong.
    Thank you for the kind words and your support. We love hearing these stories from our customers!!
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  91. #91
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    My WiSH for Light-Bicycle is to step up their customer and after sales service.

    I have bought 2 sets of wheels from them. the first rim crack after regular riding and given a $15 dollar discount on the replacement...duh. I take it anyway coz I need to ride asap.

    A second rim fail with 1 spoke pulled out of the rim. the reply I got is my rim is over a year and out of warranty. that's all.

    I am NOT asking for a free rim. they should at least help a rider get back on the wheels faster. Am I right???
    When trails gets tougher, Just stand up and deliver.

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    I bought a set of Bitex hubs from BHS and shipped them to l-b last November. Shipping to China wasn't cheap, about $55, but I still ended up with a great wheelset for considerably less than any other option. Basically a pair of l-b 38/i32 AM with Bitex/BHS 180/270 hubs and XD freehub for $780 total all in assembled, shipping both ways and everything. Also had custom paint, but no decals. Service for me was great. Warranty is warranty; nothing is promised after when it's expired.

  93. #93
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    Hey LB, I have been super happy with my 38mm, 650b rims.. Had them built up locally with Lefty front hub and Am Class 225 rear hub. 1,700 grams.

    I saw a question the other day regarding water getting into the wheel through the spokes and it has no way to escape. I never thought about this before, but it is true. I saw another Carbon Fiber rim had a weep hole next to the valve stem on the sidewall. That makes sense. It only allows water to drain from the cavity on the other side of the tubeless zone. My old aluminum rims had a pinned joint so water was able to escape. No such route for your rims without a weep hole.

    Thanks for your support.
    My name is Chris and I ride a Ripmo now.

  94. #94
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    Quote Originally Posted by Prophet Julio View Post

    I saw a question the other day regarding water getting into the wheel through the spokes and it has no way to escape. I never thought about this before, but it is true. I saw another Carbon Fiber rim had a weep hole next to the valve stem on the sidewall. That makes sense. It only allows water to drain from the cavity on the other side of the tubeless zone. My old aluminum rims had a pinned joint so water was able to escape. No such route for your rims without a weep hole.

    Thanks for your support.
    If your spokes are tensioned properly it is essentially water tight. It is not truly water tight but unless the rim is submersed, in a stationary position for hours, maybe days, there should be no way a significant amount of water could get in. I've never seen a rim with a weep hole. I'd think that would invite more water in than the microscopic gaps between a tensioned nipple/spoke and rim.

  95. #95
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    Quote Originally Posted by RTM View Post
    If your spokes are tensioned properly it is essentially water tight. It is not truly water tight but unless the rim is submersed, in a stationary position for hours, maybe days, there should be no way a significant amount of water could get in. I've never seen a rim with a weep hole. I'd think that would invite more water in than the microscopic gaps between a tensioned nipple/spoke and rim.
    Derby is the brand with drain holes. I have a pair, and am not sold on it being an advantage.

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    crack LB rim

    My 5 month old rear rim just crack on last ride. not sure how it happened, no crashes, no jumping, no big drops.
    Wondering what kind of warranty, or if i still could fix it. I already email LB.

    it was 25 miles or trail riding, mix of smooth flowy singletrack, some rock garden, fire road, etc..nothing crazy technical. I noticed this crack at mile 19 while waiting for my buddies. i honestly did not recall any impact or rock strike. No leaking so far, still holding the pressure well.

    this is the same rim on my previous post regarding delaminating spot, which I put clear tape over, you can see on this pic as well.

    Light Bicycle Carbon Rims-20160319_172350.jpg

  97. #97
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    Hi light-bicycle do you have asymmetric rims wider than the 28/34?

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    I wouldn't ride that it might fail badly. Really its a tough environment for carbon rims and it could have been damaged/scratched earlier without noticing on a rock strike etc, thats what happens with carbon components. Bad luck but I would not hesitate on getting a replacement, so many people have had good service from these rims and there are bound to be failures/damage in the law of averages with what we do with them in my opinion.

  99. #99
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    Quote Originally Posted by rave81 View Post
    Hi light-bicycle do you have asymmetric rims wider than the 28/34?
    This. I'm curious, as well.

  100. #100
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    Quote Originally Posted by BJG718 View Post
    This. I'm curious, as well.
    We have a 40mm wide asymmetrical rim coming in April
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  101. #101
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    Quote Originally Posted by Prophet Julio View Post
    Hey LB, I have been super happy with my 38mm, 650b rims.. Had them built up locally with Lefty front hub and Am Class 225 rear hub. 1,700 grams.

    I saw a question the other day regarding water getting into the wheel through the spokes and it has no way to escape. I never thought about this before, but it is true. I saw another Carbon Fiber rim had a weep hole next to the valve stem on the sidewall. That makes sense. It only allows water to drain from the cavity on the other side of the tubeless zone. My old aluminum rims had a pinned joint so water was able to escape. No such route for your rims without a weep hole.

    Thanks for your support.
    One option could be to remove your tire and tubeless valve stem and spin the wheel fast. The centrifugal force should spit water out through the valve hole. It would work even better if the tubeless tape was removed.

    It seems that if one was worried about the weight of such fluid this would be a logical way to reduce weight: Remove the tires every ~2 or 3 months to remove all of the dried up tubeless sealant off the tire and the rim, spin any water out of the rim and dry it out over night, then apply new tape and new sealant.

    We do have angular drilled holes and started using a bit of grease under the nipple heads when building wheels, so this should reduce the amount of water being able to penetrate the rims.
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  102. #102
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    Some more updates:

    We are bringing in DT's Competition Race spokes so we have another double butted round spoke option. These are 2/1.6/2mm instead of 2/1.8/2mm like regular Competition spokes. They will make a wheel about 70 grams lighter than with traditional Comp spokes and about 30g heavier than built with our bladed spoke options. The price will be much cheaper than bladed and they are quite strong. It would be a good choice for AM riding.

    We have released more asymmetric rims, a 30mm wide 650b rim and a 28mm wide 29" rim. AM724 asymmetric rim profile carbon 650b mountain bike rims Light-Bicycle
    XC923 asymmetric rim profile carbon 29er bike rims Light-Bicycle

    We are adding more standard wheelset builds including our asymmetrical line. We have more updating to do, so if you don't see the combination you want you can e-mail us or check our custom wheelset form.

    Light Bicycle Carbon Rims-650b-bike-wheels.jpg
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  103. #103
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    Will you be able to offer the
    DT Aero Comp ( 2.0 - 2.3x1.2 - 2.0mm ) spokes as well?

    Those on any of the standard wheel build sets would be extremely interesting, especially with the variety of hubs on offer.

  104. #104
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    Hi, please feel free to contact if you choose.

    I am looking for a wide wheelset that is strong. I am nearly 300lbs. I need something strong. I defenitely would like LOUD hubs.. What is your recommendation?

    Thank you.

  105. #105
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    LB- My local shop talked me into trying your product (same shop SDMTB'er haunts). I purchased a set of rims back in JAN and the shop built them up with I9 hubs. Weight is as advertised, and out on the trail they feel as good as the Easton Carbon Havens and EC70 Trails wheelsets that I run on my other bikes. Can't beat the price, and the overall quality seems to be pretty good. I run them on some choppy DH sections at nearly 40MPH without a concern of failure. I've been recommending them to my buddies who want to upgrade, and am actually going to order a set of 27.5+ to build up on my stock hubs once I get some extra cash.
    Have at it!

  106. #106
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    Quote Originally Posted by tehllama View Post
    Will you be able to offer the
    DT Aero Comp ( 2.0 - 2.3x1.2 - 2.0mm ) spokes as well?

    Those on any of the standard wheel build sets would be extremely interesting, especially with the variety of hubs on offer.
    For now we are just offering 2/2.2/.9/2mm bladed spokes. If you are concerned about strength or durability, we could use round spokes on the rear and bladed up front as an option. We brought in Competition Race spokes which are probably similar in strength and weight to the Aero Comps. We have to order in large quantities from DT Swiss, in many sizes, and it takes quite a while to get them so when we offer new spokes it has to be a commitment for the whole lineup ideally.
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  107. #107
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    Quote Originally Posted by SprSonik View Post
    LB- My local shop talked me into trying your product (same shop SDMTB'er haunts). I purchased a set of rims back in JAN and the shop built them up with I9 hubs. Weight is as advertised, and out on the trail they feel as good as the Easton Carbon Havens and EC70 Trails wheelsets that I run on my other bikes. Can't beat the price, and the overall quality seems to be pretty good. I run them on some choppy DH sections at nearly 40MPH without a concern of failure. I've been recommending them to my buddies who want to upgrade, and am actually going to order a set of 27.5+ to build up on my stock hubs once I get some extra cash.
    I'm happy you are enjoying the product, thank you for the comments!
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  108. #108
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    Quote Originally Posted by Jammy9398 View Post
    Hi, please feel free to contact if you choose.

    I am looking for a wide wheelset that is strong. I am nearly 300lbs. I need something strong. I defenitely would like LOUD hubs.. What is your recommendation?

    Thank you.
    Assuming you want strong 650b rims, either of these in the Heavy Duty version 32h would work well for you. carbon mountain bike rim-mountain bike rim,mountain rims,mtb rim,mtb rims,carbon mtb rim Light-Bicycle

    The most reliable hubs that are loud are Chris King's. They will be able to handle the torque and be quite reliable for you. If you run 11 speed sram then the regular alloy freehub is fine, however if you run a standard HG cassette (not Sram 11 speed), you should consider their stainless steel freehub so that the cassette does not wear into the the softer alloy freehub. Our price on these isn't great, so I would recommend sourcing them locally or online and then just purchasing the rims from us. We can sell you the right spokes and nipples that you need if that makes it more convenient for you. Just send us an e-mail [email protected] and paste this conversation as reference.
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  109. #109
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    Quote Originally Posted by inter View Post
    My 5 month old rear rim just crack on last ride. not sure how it happened, no crashes, no jumping, no big drops.
    Wondering what kind of warranty, or if i still could fix it. I already email LB.

    it was 25 miles or trail riding, mix of smooth flowy singletrack, some rock garden, fire road, etc..nothing crazy technical. I noticed this crack at mile 19 while waiting for my buddies. i honestly did not recall any impact or rock strike. No leaking so far, still holding the pressure well.

    this is the same rim on my previous post regarding delaminating spot, which I put clear tape over, you can see on this pic as well.

    Click image for larger version. 

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    Curious: Are you hauling your bike on a rack where the wheel might be sitting too close to the car's exhaust?

  110. #110
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    I was just about ready to order some Light Bicycles 27mm (outer) 650B rims when I was recommend 'Carbon Bicycle' rims.... on their site (Carbonfan|Carbon Rim|Carbon Wheel|Carbon Bicycle|Carbon Frame|Carbon Bike Part|Mountain bike -which looks the same as the Light Bicycles site) I can get 28mm wide Asymmetrical 650B wheels for the same price. I haven't been considering a lot of other retailers other than LB because in general they have the best reviews, but Carbon Bicycle has the same physical address and I can't help but wonder if its the same company.

    Has anyone had Carbon Bicycle Asymmetrical rims they can comment on?

  111. #111
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    I have purchased three wheelset's and one set of rims from LB all have been trouble free. My last set of rims I ordered from carbon bicycle 35od 29id asked for 400 grams and they came at exact 400 gram's each. Now have 10 rides on them built with 240 dt hub's and there just right. I would recommend both companies.

  112. #112
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    I just received my 650b asym wheelset and am having a really difficult time getting my Maxxis tires onto the rim. Any suggestions?

  113. #113
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    Quote Originally Posted by SikeMo View Post
    I just received my 650b asym wheelset and am having a really difficult time getting my Maxxis tires onto the rim. Any suggestions?
    soapy water and good tire levers. also a good IPA and gratuitous use of profanity helps.
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    Stop asking how much it weighs and just go ride it.

  114. #114
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    Quote Originally Posted by *OneSpeed* View Post
    soapy water and good tire levers. also a good IPA and gratuitous use of profanity helps.
    The latter has definitely been used. I'll try the soapy water. I'm just nervous with the tire levers as these are my first carbon rims.

  115. #115
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    As you mount the tire, pull the entire length of the bead (all of the way around) down into the center channel as you go. It will naturally want to sit up on the bead seat. But by moving it into the center channel, you will have more slack to work with for the part of the tire not yet mounted. It can take a little practice to wrestle the entire thing down into the center channel at the same time and keep it there. But it makes all of the difference. Last weekend I mounted a fresh Maxxis tire on my LB rims without tools using this technique. And I don't have forearms like Popeye.

    Just to keep going on this, use the same technique when removing the tire. First, squeeze the tire so it goes up over the bead seat and down into the center channel. Getting it started is the hardest part, but once it starts, the rest will be easy. Once you have the entire length of the tire bead down in the center channel, put your tire lever under the bead and pry it off. It will go about 10X easier that way.

    I use soap on my hands once I'm done working with the tires.

  116. #116
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    I tried this and it was so much easier! I just pinched the bead all the way around the tire so that most of it was in the center channel and, voila, the last bit of the bead popped over effortlessly. Dumped in 3 oz of Orange tubeless 'juice', hooked up the compressor, and the bead popped into place no problem, without any soap.

    Thanks!

  117. #117
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    Glad to help. I got my rims last summer and after I spent way too long fighting a losing battle trying to mount the tire, a friend shared this pearl of wisdom with me. Now go forth and be radical my son.

  118. #118
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    What tubeless sealant do you all use? Is there a product that's better (or worse) for carbon?

  119. #119
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    This is my first time trying Orange, but I've seen it recommended multiple times. You really have to shake it up, but it worked well on initial inflation for me. I'll report back after several rides.

  120. #120
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    Quote Originally Posted by Centurion_ View Post
    What tubeless sealant do you all use? Is there a product that's better (or worse) for carbon?
    Was using Orangeseal but now using something even better. A new Slime that I have had the chance to beta test during R&D since last Nov. The old stuff Slime Pro on the market now is good, too. This new stuff will not effect carbon hoops. Only a trace of ammonia that goes away. There's a carbon hoop soaking in it now. It should be released pretty soon. It's the bomb and one application will last a whole lot longer than any other goo. And it cleans up in soapy water! Watch for it!

  121. #121
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    Quote Originally Posted by Centurion_ View Post
    What tubeless sealant do you all use? Is there a product that's better (or worse) for carbon?
    I don't know about better or worse for carbon. I'm currently using Orange Seal. But I don't plan to buy it again. That stuff dries out fast. The Bontrager stuff worked better for me overall.

  122. #122
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    Quote Originally Posted by objectuser View Post
    I don't know about better or worse for carbon. I'm currently using Orange Seal. But I don't plan to buy it again. That stuff dries out fast. The Bontrager stuff worked better for me overall.
    I agree, I prefer the Bontrager sealant over the Orange Seal. Try to remove the Orange Seal after it's dry is a pain.
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  123. #123
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    After 20 hard months, my rear finally cracked:

    Light Bicycle Carbon Rims-12931029_754836327949472_9217486057286480939_n.jpg

    This is the original 30/35mm hookless rim, not the new offset version. AM layup.

  124. #124
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    @light-bicycle,

    Do the new XC923 rims have +/- 4 degree angular drilled spoke holes like the AM928 rims?

    Do they have centered nipple access holes (tire side of rim) like the AM928 rims?

    What is the rationale for mis-aligning the nipple access holes (which are centered) from the offset/asym spoke holes? This makes it difficult/impossible to use nipple drivers through the access hole to build the wheel.

  125. #125
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    Purchased Dec.17, 2016, received about 3 weeks later.

    This was yesterday.

  126. #126
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    This one lasted 10 months...

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    kind of doubting that alloy would have fared any better ...
    Last edited by TheUnknownRider; 04-10-2016 at 06:26 AM.

  128. #128
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    Quote Originally Posted by TheUnknownRider View Post
    kind of doubting that alloy would have fared any better ...
    I was just thinking this. I believe carbon has proven itself as a valid material and LB has proven to be a very good product at a much lower price point. Why aren't people posting snuff pictures of their taco'd and dented alloy rims? Carbon can and eventually will fail, but I'd be willing to bet my next three wheelsets that you will be replacing less carbon rims than you would be replacing alloy rims of similar weight and dimension.

    These are likely the exception to the rule in my sig.
    "Lightweight , durable , inexpensive
    Pick 2."

  129. #129
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    Quote Originally Posted by TheUnknownRider View Post
    kind of doubting that alloy would have fared any better ...
    The top one, I don't think that one is my fault. Failed at a seam.

    The second one I blame myself. Even though the drop was only about 2 feet tall I did give that rim hell a few days earlier.

    I have submitted the pictures and info for warranty replacement. I'll post updates to let you all know how their customer service is.

  130. #130
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    Hey LB,

    Thanks for joining the forum to share information with us. Do you have any plans to develop rims with an inside width measuring between the 31.6mm AM rims and 45mm plus rims?
    Last edited by phride; 04-12-2016 at 03:30 PM.

  131. #131
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    Quote Originally Posted by phride View Post
    Hey LB,

    Thanks for joining the forum to share information with us. Do you have any plans to develop rims with inside diameter between the 31.6mm AM rims and 45mm plus rims?
    Inside width, not inside diameter.

  132. #132
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    Quote Originally Posted by InertiaMan View Post
    Inside width, not inside diameter.
    Right. I was speccing piping before taking a break for lunch and posting that. I'll clean that up.

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  133. #133
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    Quote Originally Posted by SikeMo View Post
    I just received my 650b asym wheelset and am having a really difficult time getting my Maxxis tires onto the rim. Any suggestions?
    I like to let the tires sit in the sun for an hour or so, they are a little more pliable when warm.

  134. #134
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    Quote Originally Posted by inter View Post
    My 5 month old rear rim just crack on last ride. not sure how it happened, no crashes, no jumping, no big drops.
    Wondering what kind of warranty, or if i still could fix it. I already email LB.

    it was 25 miles or trail riding, mix of smooth flowy singletrack, some rock garden, fire road, etc..nothing crazy technical. I noticed this crack at mile 19 while waiting for my buddies. i honestly did not recall any impact or rock strike. No leaking so far, still holding the pressure well.

    this is the same rim on my previous post regarding delaminating spot, which I put clear tape over, you can see on this pic as well.

    Click image for larger version. 

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    Quote Originally Posted by Bullit_cn View Post
    My WiSH for Light-Bicycle is to step up their customer and after sales service.

    I have bought 2 sets of wheels from them. the first rim crack after regular riding and given a $15 dollar discount on the replacement...duh. I take it anyway coz I need to ride asap.

    A second rim fail with 1 spoke pulled out of the rim. the reply I got is my rim is over a year and out of warranty. that's all.

    I am NOT asking for a free rim. they should at least help a rider get back on the wheels faster. Am I right???
    Quote Originally Posted by amish_matt View Post
    After 20 hard months, my rear finally cracked:

    Click image for larger version. 

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    This is the original 30/35mm hookless rim, not the new offset version. AM layup.
    Quote Originally Posted by Justin MD View Post
    Purchased Dec.17, 2016, received about 3 weeks later.

    This was yesterday.
    Quote Originally Posted by Justin MD View Post
    This one lasted 10 months...
    Quote Originally Posted by Justin MD View Post
    The top one, I don't think that one is my fault. Failed at a seam.

    The second one I blame myself. Even though the drop was only about 2 feet tall I did give that rim hell a few days earlier.

    I have submitted the pictures and info for warranty replacement. I'll post updates to let you all know how their customer service is.

    Five failed rims and no response to any of them. I'm sure it is difficult to know how to best respond to something other than glowing praise but some kind of response would be great. I'm curious what happened with @Justin MD's warranty submission.


    I'll add my own cracked rim. I ride rocky terrain in Austin, Tx so it is generally not the most rim friendly place. I weigh ~205 lbs, don't smoke, only do small wuss sized drops.

    Purchased 27.5 35/30 rims April of 2015 (so, out of warranty), built up and did my first ride on June of last year. According to GPS I have around 350 miles on them (most of my miles come by way of commuting on a different bike). No time spent at bike parks.

    The only "events" I can think of that might have caused this were a pinch flat on a rock about a month ago (punctured the tire casing severely enough to where Stan's wouldn't seal) and then the rough spot I was descending on when I got the flat where I discovered the damaged area this past weekend.

    I've been riding for over 20 years, have never taco'd a rim, have never crushed a rim.

    Resolution from LB was a $10 discount on a new rim. I can't afford $200+ in yearly wheel expenses and I certainly don't want to incur the down time or have one fail during the rare bike trip so I am going to switch over to Stan's Flow MK3. Were I to get a stronger carbon rim, I'll be at the 450 gram range and would only be saving about 30 grams per rim by going with LB carbon over Stan's Flow MK3. Ibis has an alloy rim of the same width (29mm inner) but it is slightly heavier (500 grams) and Stan's just seem to last forever.

    It is a bit frustrating to read that they came out with a new rim and are covering that one for 2 years with a 25% crash replacement warranty versus 1 year for the pair I purchased.

    I personally know of several people who are having good luck with their LB rims and I know people here will just dismiss the failures as part of biking or anomolies but some might appreciate knowing before they buy.
    Light Bicycle Carbon Rims-rimfail.jpg

  135. #135
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    Quote Originally Posted by Anita Handle View Post
    Five failed rims and no response to any of them. I'm sure it is difficult to know how to best respond to something other than glowing praise but some kind of response would be great. I'm curious what happened with @Justin MD's warranty submission.


    I'll add my own cracked rim. I ride rocky terrain in Austin, Tx so it is generally not the most rim friendly place. I weigh ~205 lbs, don't smoke, only do small wuss sized drops.

    Purchased 27.5 35/30 rims April of 2015 (so, out of warranty), built up and did my first ride on June of last year. According to GPS I have around 350 miles on them (most of my miles come by way of commuting on a different bike). No time spent at bike parks.

    The only "events" I can think of that might have caused this were a pinch flat on a rock about a month ago (punctured the tire casing severely enough to where Stan's wouldn't seal) and then the rough spot I was descending on when I got the flat where I discovered the damaged area this past weekend.

    I've been riding for over 20 years, have never taco'd a rim, have never crushed a rim.

    Resolution from LB was a $10 discount on a new rim. I can't afford $200+ in yearly wheel expenses and I certainly don't want to incur the down time or have one fail during the rare bike trip so I am going to switch over to Stan's Flow MK3. Were I to get a stronger carbon rim, I'll be at the 450 gram range and would only be saving about 30 grams per rim by going with LB carbon over Stan's Flow MK3. Ibis has an alloy rim of the same width (29mm inner) but it is slightly heavier (500 grams) and Stan's just seem to last forever.

    It is a bit frustrating to read that they came out with a new rim and are covering that one for 2 years with a 25% crash replacement warranty versus 1 year for the pair I purchased.

    I personally know of several people who are having good luck with their LB rims and I know people here will just dismiss the failures as part of biking or anomolies but some might appreciate knowing before they buy.
    Click image for larger version. 

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    Appreciate the post. As for your decision to go with the Flow as a replacement, are those rims pretty darn durable? Only reason I am looking into carbon at all is the supposed durability factor along with my relatively conservative riding style. Also, I have had issues with Stan's rims going out of true... a lot, but that is based on first gen Arch's, ZTR race or whatever they are called's, Crest's, and the original Alpha 340's on road. I know the Flow is wider, and meant for more abuse, and I actually read a post in one of the Chinese carbon wheel threads that a flow should actually be stronger. Do you believe that to be the case? It sounds like you have some experience with those rims, so I figure you are a good person to ask.

    At the end of the day, durability is my main concern, then price, then weight, and I will gladly sacrifice weight if I can gain durability.

  136. #136
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    Wow! I must be very lucky, Ive been using my 23 mm ID LB's for almost two years and they are still holding on! just some scratches.

  137. #137
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    Quote Originally Posted by garcia View Post
    Appreciate the post. As for your decision to go with the Flow as a replacement, are those rims pretty darn durable? Only reason I am looking into carbon at all is the supposed durability factor along with my relatively conservative riding style. Also, I have had issues with Stan's rims going out of true... a lot, but that is based on first gen Arch's, ZTR race or whatever they are called's, Crest's, and the original Alpha 340's on road. I know the Flow is wider, and meant for more abuse, and I actually read a post in one of the Chinese carbon wheel threads that a flow should actually be stronger. Do you believe that to be the case? It sounds like you have some experience with those rims, so I figure you are a good person to ask.

    At the end of the day, durability is my main concern, then price, then weight, and I will gladly sacrifice weight if I can gain durability.
    I've never actually owned Flows. I've had Arches which I bought second hand laced up to i9s and then sold them to a friend who is now running them singlespeed and are still holding up well. You've probably had more experience with Stan's rims than I have so you have to use your gut on that. One thing that I do think matters is the quality of the build. I've always tried to get the best wheel builder in town to lace mine up. On my 29er Stumpjumper I have a set of Mavic TN-719 laced to DT Swiss 240s hubs that I've got the most miles on and I cannot destroy them despite wanting to lace them up with something wider.

    Anecdotally, I've seen more trouble-free miles on Stan's rims than on any other rim amongst the people I know.

    I also am not sure what would be a lighter and more durable choice without spending at least $400 for Derby or NOX composites. Ibis has an aluminum rim with 29mm inner diameter for $100 that looks promising. WTB i29 looks nice and is explicitly UST compatible but is a bit heavier than the Flow MK3.

    Either way, the MK3 will be a slight gamble since they are new but Stan's products have only gotten better and better and they have solid support so I'm going to give them a shot.

  138. #138
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    Quote Originally Posted by doccoraje View Post
    Wow! I must be very lucky, Ive been using my 23 mm ID LB's for almost two years and they are still holding on! just some scratches.
    Maybe you're lucky or maybe I was unlucky or maybe the physics of a more narrow rim and the amount of material used was in your favor. I do think it is telling that the newer asym rim has 25% thicker rim bead than the old rim and is touted to have better impact protection.

    Quote Originally Posted by light bicycle View Post
    Our new asymmetrical rims are now online and in stock, here are the details:

    We have had these molds at the factory for a while now but wanted to perfect the layup and the whole program before releasing on our website. The new rims are 28mm internally and 34mm externally with a relatively thick and short hookless bead for solid impact protection. They have the usual bead seat bump for ease of tubeless setup and security against burping. The 650 version weighs in at 400-410g per rim and the 29 425-435g. We've called the lighter version the AM728 and AM928 respectively (7 or 9 is for the diameter, and the 28 is the internal width). The AM is the light version, and the EN728 and EN928 is the heavier version with extra reinforcement which adds about 45-50g to each rim. We do a complete T700 3k wrap internally so you're getting reinforcement on the sidewalls, center channel, and nipple seats. The EN version is good for more aggressive Enduro style riders.

    We offer a 2 year 25% off crash replacement policy (on these rims only).

  139. #139
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    Quote Originally Posted by phride View Post
    Hey LB,

    Thanks for joining the forum to share information with us. Do you have any plans to develop rims with an inside width measuring between the 31.6mm AM rims and 45mm plus rims?
    Ask and you shall receive
    Light Bicycle Carbon Rims-27.5-inch-mtb-rims.jpg
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  140. #140
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    Quote Originally Posted by garcia View Post
    I like to let the tires sit in the sun for an hour or so, they are a little more pliable when warm.
    I've seen a few good tips on tire installation, thanks for sharing this one as well.

    Another one to remember is to use very thin tubeless tape if your tires are tight (even once fully centered in the drop channel). Gorilla tape or using too many layers of tubeless tape adds enough thickness to make tires fit too tightly.
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  141. #141
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    Slightly off topic, but what tire pressure do you guys recommend running on the new 38mm internal assym rims? I've got a 2.5 up front and a 2.3 rear and have been running 21psi and 24psi, respectively. How low do you think I can go?

  142. #142
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    Like anything else in life, this is a question only you can answer. Like torquing the bolts on the stem of your bike, tighten until it breaks, then back off 1/4 turn. I would try going a couple PSI lower on each ride until you either get too much sidewall flex, or you get a bottom out on the tire, then go back up 2 PSI. Keep in mind it's highly dependent on how aggressively you ride, they type of terrain, and how much gear you have in your pack.
    "Lightweight , durable , inexpensive
    Pick 2."

  143. #143
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    I've gotta think that some of you are running irresponsibly low pressures if you're blowing up LB rims like that.

    I have over 2,500 miles on my set that is on my CX bike (fully rigid and small, low volume tires obviously) and I ride it on singletrack with softball sized rock gardens, small jumps, and ~1ft drops and I'm 235lbs. I motor them over fallen trees and have hit gopher holes hard enough to make my hands and man parts go numb (didn't see it coming, hit it with full weight on saddle/bars)

    Obviously there is nastier terrain out there than what I'm riding on but I'm heavy and on a rigid bike. With 2.3-2.5" tires and 5" of suspension these could be ridden anywhere with the right pressures.

  144. #144
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    I would want to know which rims failed. The 38's? The 35's? Layup etc..?

    A tire loses pressure and the impact to the rim happens during a descent. Could be catastrophic. I have taco'd a few alu rims. I will be curious to see how long my LB's last. They feel like they will last forever. Super happy with them.

    As an aside, I had mine built locally by a very experienced and professional wheel builder. Lefty front hub, 32h and American Classic 225 Disc, 32h rear hub.
    My name is Chris and I ride a Ripmo now.

  145. #145
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    Quote Originally Posted by Alias530 View Post
    I've gotta think that some of you are running irresponsibly low pressures if you're blowing up LB rims like that.

    I have over 2,500 miles on my set that is on my CX bike (fully rigid and small, low volume tires obviously) and I ride it on singletrack with softball sized rock gardens, small jumps, and ~1ft drops and I'm 235lbs. I motor them over fallen trees and have hit gopher holes hard enough to make my hands and man parts go numb (didn't see it coming, hit it with full weight on saddle/bars)

    Obviously there is nastier terrain out there than what I'm riding on but I'm heavy and on a rigid bike. With 2.3-2.5" tires and 5" of suspension these could be ridden anywhere with the right pressures.
    I generally run 25-28 in the rear, Bontrager XR3 2.35, mounted to a Devinci Spartan.

    At the time that the rim broke, I had a tube in it and has just pumped it to 32-ish. So much higher than normal.

    Maybe with your rim they used more material for the given width? Hard to tell. In my opinion, carbon rim makers should do a two year warranty and offer "crash" replacement at cost if not less. If they fear having to swap out too many rims, perhaps it would be motivation to add a small amount more material and/or improve the design.

    I might have been ok with half price replacement cost and being down for the weeks it takes to get a rim but that's not what I was offered so I'm moving on to a different brand.

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  146. #146
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    Quote Originally Posted by Prophet Julio View Post
    I would want to know which rims failed. The 38's? The 35's? Layup etc..?

    A tire loses pressure and the impact to the rim happens during a descent. Could be catastrophic. I have taco'd a few alu rims. I will be curious to see how long my LB's last. They feel like they will last forever. Super happy with them.

    As an aside, I had mine built locally by a very experienced and professional wheel builder. Lefty front hub, 32h and American Classic 225 Disc, 32h rear hub.
    Mine was the 35mm outer/30mm inner AM 650b rim.

    http://www.light-bicycle.com/Hookles...ompatible.html

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  147. #147
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    Quote Originally Posted by Anita Handle View Post
    I generally run 25-28 in the rear, Bontrager XR3 2.35, mounted to a Devinci Spartan.

    At the time that the rim broke, I had a tube in it and has just pumped it to 32-ish. So much higher than normal.

    Maybe with your rim they used more material for the given width? Hard to tell. In my opinion, carbon rim makers should do a two year warranty and offer "crash" replacement at cost if not less. If they fear having to swap out too many rims, perhaps it would be motivation to add a small amount more material and/or improve the design.

    I might have been ok with half price replacement cost and being down for the weeks it takes to get a rim but that's not what I was offered so I'm moving on to a different brand.

    Sent from my LG-H810 using Tapatalk
    I have Rovals on my mountain bike and run 22 front/26 rear on 29x2.3 tires. No issues but I'm not hucking big jumps or drops. Have done a couple 3-4ft drops though no problem though.

    And yeah there's something to be said for Enve's warranty (5 year, lifetime crash replacement). You certainly pay for it though...

  148. #148
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    That's what I thought. I like those companies and 5 years of warranty certainly speaks for the product.
    On the other hand, how many LB rims can you get for one Enve?


    Von meinem iPhone gesendet.

  149. #149
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    The 35/30 rims have a lot less material in the rim strike area than the 38/31.6 rims. I was saving my $ for the Derby's when the LB 38's came out. 3.2mm at the lip vs 2.5mm and the depth of the rim, 32mm v 25mm. 15% more weight as well. Very different with regards to ultimate strength, theoretically.

    Dr. Justin, did you get a response?
    My name is Chris and I ride a Ripmo now.

  150. #150
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    @light bicycle: your silence toward those who have posted apparent warranty claim issues here is deafening. Why is LB ignoring these posts while replying to posts regarding new products and potential new sales?

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    Quote Originally Posted by rare_breed View Post
    @light bicycle: your silence toward those who have posted apparent warranty claim issues here is deafening. Why is LB ignoring these posts while replying to posts regarding new products and potential new sales?
    I assume they are communicating with them in private. Would still be better to do it via the open forum. This is coming from a potential future client.

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  152. #152
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    Quote Originally Posted by Krypt0n1te View Post
    I assume they are communicating with them in private. Would still be better to do it via the open forum. This is coming from a potential future client.

    Sent from my SM-N910F using Tapatalk
    No communication with me via PM. Though in fairness, I emailed them about the failure and they responded very quickly. I didn't like the resolution, 10 dollar discount, but one was offered.

    I'd have stayed with them and put up with the down time and multi week delivery time had they offered replacement for 50% off. Not enough benefit and too much risk in staying with them at this point.

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  153. #153
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    @light bicycle: your silence toward those who have posted apparent warranty claim issues here is deafening. Why is LB ignoring these posts while replying to posts regarding new products and potential new sales?
    Common sense would dictate that wheels or rims you buy for...significantly less than half of market price for similar wheels or rims will fall short of the more expensive product, as will the warranty.

    If that's too much to grasp, do without, or shell out a couple grand for a quality wheelset from a company that will stand behind their product. At those prices, you would expect them to do so.

    At Light Bicycle or Carbon Cycle prices, you can't expect full warranty service. Oh they could do it. But then you'd be shelling out 2k for their wheels as well.

    Having a front wheel built with a LB 35/30 rim as we speak. If I break it, I buy an i29 rim and move on. But at $180 bucks for their rim, LB gave me the opportunity to try carbon. Something I can't justify doing otherwise.

  154. #154
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    Common sense also says that most companies are outsourcing their carbon rims and have to add a retail mark up on top of the cost of having the rim made for them, which includes some profit for the manufacturer, in order to cover marketing, warranty, testing, food on the table and whatnot. Then distributors and retailers need to add another mark up in order to have food on their table.

    So it stands to reason that the manufacturer can cut out two rounds of Mark ups and still make a quality product, if they so chose.

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  155. #155
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    Quote Originally Posted by Anita Handle View Post
    No communication with me via PM. Though in fairness, I emailed them about the failure and they responded very quickly. I didn't like the resolution, 10 dollar discount, but one was offered.

    I'd have stayed with them and put up with the down time and multi week delivery time had they offered replacement for 50% off. Not enough benefit and too much risk in staying with them at this point.

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    Very insightful, thanks. Can't actually believe they ignore the "problem" posts.

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  156. #156
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    Quote Originally Posted by Justin MD View Post
    Purchased Dec.17, 2016, received about 3 weeks later.

    This was yesterday.
    Ok so after going back and forth a few times about the incident they approved my replacement. A couple more emails and on 4-13-16 I paid $8 (upgraded to DH rim) and $45ish for shipping.

    The rim arrived on 5-16-16.

    SO that's the deal. They handled it like professionals. Took a little longer to get the rim than I thought but not so long that is was a huge disappointment.

  157. #157
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    Quote Originally Posted by Justin MD View Post
    Ok so after going back and forth a few times about the incident they approved my replacement. A couple more emails and on 4-13-16 I paid $8 (upgraded to DH rim) and $45ish for shipping.

    The rim arrived on 5-16-16.

    SO that's the deal. They handled it like professionals. Took a little longer to get the rim than I thought but not so long that is was a huge disappointment.
    That is a positive outcome. Shipping seems crazy but at least you're not out $200. It does seem that they are taking care of people if the rim breaks while under warranty.

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  158. #158
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    Quote Originally Posted by rare_breed View Post
    @light bicycle: your silence toward those who have posted apparent warranty claim issues here is deafening. Why is LB ignoring these posts while replying to posts regarding new products and potential new sales?
    Hi rare_breed,

    I am not set up to actively discuss warranty issues here. This is why I asked for warranty related inquiries to be directed to our site in the original post and fill out a claim. These kinds of matters should be discussed privately by e-mail and not on an open forum.
    Warranty Policy - light-bicycle Light-Bicycle

    We know there has been some frustration with warranty coverage at times. Here are a few comments that may help bring some clarity to where our business is at:

    Our rims are constantly being improved, our percentage of cracked rims is now around 3% or less. This is a total percentage of rims that fail (many of which are rider error, not a manufacturing defect). Many of our new rims have shallower hookless beads which are also thicker and can handle impacts better. Our resins, carbon fiber, machinery, air bladders, and other manufacturing processes are always improving as well. We've come a long way in the past 5 years.

    Many of our rims are priced very competitively so it is hard for us to offer a significant discount for crash replacement rims. There has to be a balance. In our case, we get compared to other Chinese manufacturers which (in most cases) do not put as much time into their product as we do, so it adds pricing pressure. We have been working on higher end product lines to start to cater to a broader customer base, while still offering value priced good quality rims direct to consumers.

    Our asymmetric line of rims for example is inventoried so we can ship quickly. Yes it is more expensive (inventory and our product improvements cost more), but it does offer a higher level of service. The crash replacement coverage is increased and time period is doubled. With the addition of increased performance and durability etc. this could be a viable option for customers wanting something at this level.
    http://www.lightbicycle.com
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  159. #159
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    Website improvements

    We have a few new website improvements I thought I would share with MTBR:

    1. Our inventory system is now linked to our website. When you are choosing rims or wheelsets, the lead time will be displayed

    2. The Wheelsets weight now calculates as you build and choose your options

    3. We've had tubeless tape and valves available for a while, but now we've added them to the product pages as an option for convenience.

    Light Bicycle Carbon Rims-inventory.png
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  160. #160
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    Seems to me like a pretty damned reasonable response. Thanks Light-Bike!

  161. #161
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    To me too. If even these prices had enough "dough" to allow large crash replacement and after-warranty claims, I would've been really surprised and frightened about the product quality itself.
    This way it makes total sense. What you pay goes into the product itself, end of story.


    Von meinem iPhone gesendet.

  162. #162
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    Quote Originally Posted by light bicycle View Post
    Hi rare_breed,

    I am not set up to actively discuss warranty issues here. This is why I asked for warranty related inquiries to be directed to our site in the original post and fill out a claim. These kinds of matters should be discussed privately by e-mail and not on an open forum.
    Warranty Policy - light-bicycle Light-Bicycle

    We know there has been some frustration with warranty coverage at times. Here are a few comments that may help bring some clarity to where our business is at:

    Our rims are constantly being improved, our percentage of cracked rims is now around 3% or less. This is a total percentage of rims that fail (many of which are rider error, not a manufacturing defect). Many of our new rims have shallower hookless beads which are also thicker and can handle impacts better. Our resins, carbon fiber, machinery, air bladders, and other manufacturing processes are always improving as well. We've come a long way in the past 5 years.

    Many of our rims are priced very competitively so it is hard for us to offer a significant discount for crash replacement rims. There has to be a balance. In our case, we get compared to other Chinese manufacturers which (in most cases) do not put as much time into their product as we do, so it adds pricing pressure. We have been working on higher end product lines to start to cater to a broader customer base, while still offering value priced good quality rims direct to consumers.

    Our asymmetric line of rims for example is inventoried so we can ship quickly. Yes it is more expensive (inventory and our product improvements cost more), but it does offer a higher level of service. The crash replacement coverage is increased and time period is doubled. With the addition of increased performance and durability etc. this could be a viable option for customers wanting something at this level.
    Thank you, this reply definitely put me at ease.

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  163. #163
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    Thank you, Light Bicycle.

  164. #164
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    Just chiming in to say I'm loving my 30mm/DT 240 wheels, amazing upgrade.

  165. #165
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    ^^^

    Fill us in panchosdad. Are these 30 inner or outside diameter? What tires are you running on them? Are you running less air pressure than before? How much? What's your weight?

    Still waiting on my LBS to complete my front wheel build.

  166. #166
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    Quote Originally Posted by Anita Handle View Post
    That is a positive outcome. Shipping seems crazy but at least you're not out $200.
    Oh for God's sake... $45 to ship a 30"x30" box around the world is not crazy. Thats what it costs.

  167. #167
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    Quote Originally Posted by 92gli View Post
    Oh for God's sake... $45 to ship a 30"x30" box around the world is not crazy. Thats what it costs.
    $0 to not have to ship a rim that didn't break after riding it for three months would have been much better, IMO! lol.

    LB, that is a reasonable response. If I were to wish for anything, it would have been to see descriptions for the intended application for the rim as you are now doing with the asym rims.

    "All Mountain - This model is lightweight and suitable for cross country and all mountain riding. The AM model is suitable as a front rim for lighter Enduro riders.
    Enduro - This version is a heavier weight due to the additional reinforcement. The thicker walls can handle heavier and more aggressive riders making this the best choice for Enduro style riding."

    I think most riders want to get the right product for their application and that sort of verbiage helps them do this. I probably needed a heavier/stronger rim.

    The wide rim space is getting competitive. With aluminum rims coming down in weight, it is harder to justify the extra cost of carbon. Looking forward to seeing what the Flow MK3 offers!

  168. #168
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    Aluminum rims are coming down in weight because everyone is removing internal reinforcements and making the walls thinner in pursuit of width at the same weight. No thanks.

    The light bikes rims I've been riding are heavier than the Stan's rims they replaced several years ago. It's not about weight. It's stiffness, higher tension, ease of build, less need for truing.

    There's no way for me to prove this, but I have never taken a spoke wrench to the wheels I built several years ago with LB rims. With careful tensioning they will never get the minor waves and hops that aluminum rims do. Round carbon stays round.

    Still rocking the first gen of their 30mm external width with bead hooks. A few weeks after I got them they came out with hookless and I was worried my rims would crack at the bead hooks eventually. This morning I had to remove a bontrager rim strip from my rear wheel for the first time in about two years. Did a close inspection and there is no chips or delams whatsoever. My only complaint about these rims was that specialized and maxxis tires were just a tad too loose on them and I had a lot of burping, so I had to use the rim strips. WTB tires are much tighter so I finally ditched the strips. Now they are perfect again.

  169. #169
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    Quote Originally Posted by Centurion_ View Post
    Common sense would dictate that wheels or rims you buy for...significantly less than half of market price for similar wheels or rims will fall short of the more expensive product, as will the warranty.

    If that's too much to grasp, do without, or shell out a couple grand for a quality wheelset from a company that will stand behind their product. At those prices, you would expect them to do so.

    At Light Bicycle or Carbon Cycle prices, you can't expect full warranty service. Oh they could do it. But then you'd be shelling out 2k for their wheels as well.

    Having a front wheel built with a LB 35/30 rim as we speak. If I break it, I buy an i29 rim and move on. But at $180 bucks for their rim, LB gave me the opportunity to try carbon. Something I can't justify doing otherwise.
    A company wants to profit from this free forum, and you think it's "common sense" to not even hold them accountable to their word, even if doing so publicly generates a positive outcome for us consumers? You're right, that is absolutely too much for me to grasp. Shill ya later....

  170. #170
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    Quote Originally Posted by Centurion_ View Post
    ^^^

    Fill us in panchosdad. Are these 30 inner or outside diameter? What tires are you running on them? Are you running less air pressure than before? How much? What's your weight?

    Still waiting on my LBS to complete my front wheel build.
    30mm id, 29x2.5 DHF Front, 2.35 NN rear, running 20F/22R lbs, which is about what I was running before, haven't tried going lower. Burped the rear flat once riding at Little Creek. I weigh 155 plus gear. DHF is running true to size, NN is almost as big. Thing I notice most is how well this setup rails corners.

  171. #171
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    Awesome. Got my 30mm id 29er LB rim front wheel on the bike with a new ardent 2.4 and am about to take it out for it's first ride. At 200 lbs...I'm thinking...24psi.

    Appreciate your input. Helps me to figure a starting point. A little too high...no big deal. A little to low...could be a VERY big deal.

    Thanks.

  172. #172
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    Quote Originally Posted by Anita Handle View Post
    $0 to not have to ship a rim that didn't break after riding it for three months would have been much better, IMO! lol.

    LB, that is a reasonable response. If I were to wish for anything, it would have been to see descriptions for the intended application for the rim as you are now doing with the asym rims.

    "All Mountain - This model is lightweight and suitable for cross country and all mountain riding. The AM model is suitable as a front rim for lighter Enduro riders.
    Enduro - This version is a heavier weight due to the additional reinforcement. The thicker walls can handle heavier and more aggressive riders making this the best choice for Enduro style riding."

    I think most riders want to get the right product for their application and that sort of verbiage helps them do this. I probably needed a heavier/stronger rim.

    The wide rim space is getting competitive. With aluminum rims coming down in weight, it is harder to justify the extra cost of carbon. Looking forward to seeing what the Flow MK3 offers!
    This is good feedback, thank you. I will put some thought into this with the team.
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  173. #173
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    Quote Originally Posted by Anita Handle View Post
    Common sense also says that most companies are outsourcing their carbon rims and have to add a retail mark up on top of the cost of having the rim made for them, which includes some profit for the manufacturer, in order to cover marketing, warranty, testing, food on the table and whatnot. Then distributors and retailers need to add another mark up in order to have food on their table.

    So it stands to reason that the manufacturer can cut out two rounds of Mark ups and still make a quality product, if they so chose.

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    This is exactly what is going on with a large percentage of wheels on the market right now. I recently purchased a set of carbon rims from overseas directly and my total end cost about 1/3 of going rate of carbon wheels purchased here in the states. The funny thing is the wheel hoops I just bought are exactly identical to Nox, Ibis and another large wheel Mfg'r. Is this coincidence! well no its not. The suppliers overseas are clearly selling the unlabeled items here in the states. The advertising is word of mouth plus a website at best. I wouldn't be surprised if the lid came completely off this very very soon.
    Money not spent is Money wasted !

  174. #174
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    Quote Originally Posted by rare_breed View Post
    @light bicycle: your silence toward those who have posted apparent warranty claim issues here is deafening. Why is LB ignoring these posts while replying to posts regarding new products and potential new sales?
    ABC, Always Be Closing. They are chasing the new dollar and forgetting the existing ones. Its a bummer.

  175. #175
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    Perhaps warranty should be handled via email instead of in a public forum. Now if they exhausted all other forms of communication and have had no response, then yes, they should respond here or risk loss of current and future customers.
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  176. #176
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    Quote Originally Posted by BikeLust View Post
    Perhaps warranty should be handled via email instead of in a public forum. Now if they exhausted all other forms of communication and have had no response, then yes, they should respond here or risk loss of current and future customers.
    That's exactly right! This does a lot of damage to a company for reasons that could be solely on the end user. However most semi intelligent people cant tell the difference. Sad
    Money not spent is Money wasted !

  177. #177
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    Any opinions or info on the need/benefit of using nipple washers with any of these rims?

  178. #178
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    Quote Originally Posted by Lone Rager View Post
    Any opinions or info on the need/benefit of using nipple washers with any of these rims?
    Not necessary

  179. #179
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    LB: On your road wheels.. how do you feel about them being used for primary wheelset for all my road riding (I live in flatlands btw, no descending, so minimal braking)? I mean the braking surface specifically since i'm trying to understand carbon wheels and rim brake situation. I know u r supposed to use pads for carbon rims, what do you recommend? And are all the non-disc rims equipped with TG resin? Also the 25mm width, is that designed to work with 25mm tires?
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  180. #180
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    Quote Originally Posted by Justin MD View Post
    Ok so after going back and forth a few times about the incident they approved my replacement. A couple more emails and on 4-13-16 I paid $8 (upgraded to DH rim) and $45ish for shipping.

    The rim arrived on 5-16-16.

    SO that's the deal. They handled it like professionals. Took a little longer to get the rim than I thought but not so long that is was a huge disappointment.
    Unfortunately, I have not the same luck.
    I purchased 29" rims one year ago, o little more, just broken during smal ride with the wife.
    I asked vivian to replace my damged one ( rear one) and they answered I can buy new one with a 5 bucks discount..
    It' doesnt sound so professional in my humble opinion as well.
    Any ideas?

  181. #181
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    Quote Originally Posted by Lone Rager View Post
    Any opinions or info on the need/benefit of using nipple washers with any of these rims?
    Hello,

    The nipple bed is thick and strong enough to not need washers. It should help reduce corrosion of alloy nipples a bit if you do use them, and it will also help build tension more easily. If you use a tiny amount of grease under the nipple heads, this also helps build tension more easily. Most riders concerned about riding in salty/wet conditions and don;t mind the extra weight build with brass nipples. Brass nipples add about 45 grams of rotational weight on an average mountain bike wheelset.

    If you do decide to use washers, just be careful what size you use as the access holes may not be large enough to get your washers inside the rim. You may need to special order washers that are small enough or special order rims with enlarged access holes.
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  182. #182
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    Quote Originally Posted by zephxiii View Post
    LB: On your road wheels.. how do you feel about them being used for primary wheelset for all my road riding (I live in flatlands btw, no descending, so minimal braking)? I mean the braking surface specifically since i'm trying to understand carbon wheels and rim brake situation. I know u r supposed to use pads for carbon rims, what do you recommend? And are all the non-disc rims equipped with TG resin? Also the 25mm width, is that designed to work with 25mm tires?
    Hello,

    We have carbon rim brake pads here, they are $10USD for a set of 4 pcs (complete bike). You must use brake pads intended for carbon rims, but they don't have to be ours. We don't have them listed on our site, but if you email us [email protected] we can send you an invoice directly for the rims and the brake pads. I've made a request to get the brake pads listed on the site.

    We haven't made an official announcement yet, but we have dramatically improved our road rims ability to handle high temperatures, so it's no problem to use our rims as your primary road wheelset. The 25mm tubeless compatible road lineup is the way to go, and yes they will fit 25mm wide tires.
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  183. #183
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    Has anyone tried our wide rims with the new Maxxis "Wide Trail" casing tires yet?
    Bicycle, Mountain, Minion DHF*
    Attached Thumbnails Attached Thumbnails Light Bicycle Carbon Rims-27.5-inch-mtb-rims.jpg  

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  184. #184
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    Quote Originally Posted by arthuar View Post
    Unfortunately, I have not the same luck.
    I purchased 29" rims one year ago, o little more, just broken during smal ride with the wife.
    I asked vivian to replace my damged one ( rear one) and they answered I can buy new one with a 5 bucks discount..
    It' doesnt sound so professional in my humble opinion as well.
    Any ideas?
    How even is your spoke tension? How much do you weigh? How high were jumps, if any?

  185. #185
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    Quote Originally Posted by rsilvers View Post
    How even is your spoke tension? How much do you weigh? How high were jumps, if any?
    Spoke tension perfectly controlled and measured as well.
    I am a 74 kg guy.
    Never jumped, no good skills unfortunately.

  186. #186
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    Jersey Design

    We are working on some different Jersey design concepts and would love to hear your feedback on it. If you want, you can go to the link below and leave some comments there and also rank each jersey. Thank you!

    https://99designs.ca/clothing-appare...gn/vote-y6cmxz

    Light Bicycle Carbon Rims-light-bicycle-jersey-design.jpeg
    Light Bicycle Carbon Rims-jersey8.jpegLight Bicycle Carbon Rims-jersey7.jpegLight Bicycle Carbon Rims-jersey6.jpegLight Bicycle Carbon Rims-jersey5.jpegLight Bicycle Carbon Rims-jersey4.jpegLight Bicycle Carbon Rims-jersey3.jpegLight Bicycle Carbon Rims-jersey2.jpeg
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  187. #187
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    Those are pretty nice looking.
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  188. #188
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    General feedback, I won't even consider a non full zip jersey. Otherwise those look pretty good!

  189. #189
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    Quote Originally Posted by zephxiii View Post
    Those are pretty nice looking.
    Thanks for the feedback, I think we could do 2 jersey's, maybe an enduro style (the last one shown) without zippers and loose fit, and the 2nd last one shown full zipper. Those seem to be the most popular votes so far.
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  190. #190
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    Wow! They are all really great looking. Agree with full length zippers. On a road bike though, I prefer louder colors to increase conspicuity...also when on the mtb during hunting season.

    Har! In going to the site and voting, I see the consensus is almost 180 degrees from my preferences. Just shows that the average, or most popular, isn't necessarily the best, otherwise McDonalds would be haute cuisine. Though in fairness, my tastes are influenced by and lean more toward road than mtb esthetics, perhaps more flamboyant rather than subdued.

  191. #191
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    Yes. Very nice looking jersey.

    Quote Originally Posted by garcia View Post
    General feedback, I won't even consider a non full zip jersey. Otherwise those look pretty good!
    Same here. Gotta be full zip. Light colors, predominantly white would be a personal preference as well. Many of us of ride in 90 f plus temps this time of year.

  192. #192
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    Quote Originally Posted by Lone Rager View Post
    Wow! They are all really great looking. Agree with full length zippers. On a road bike though, I prefer louder colors to increase conspicuity...also when on the mtb during hunting season.

    Har! In going to the site and voting, I see the consensus is almost 180 degrees from my preferences. Just shows that the average, or most popular, isn't necessarily the best, otherwise McDonalds would be haute cuisine. Though in fairness, my tastes are influenced by and lean more toward road than mtb esthetics, perhaps more flamboyant rather than subdued.
    Thank you for the feedback, it's not easy to decide! This is only 8 of the 50+ designs, and from there you can add color changes... Hopefully we can do a few different jerseys so there is a good selection for different disciplines and preferences.
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  193. #193
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    So I really want to buy a set of LB wide rims for my 27.5 "Enduro" bike. The only thing holding me back is I'm worried that they are too stiff and will make things feel too harsh. Opinions seem to be divided on this subject from what I've read. Some say carbon wheels are too stiff and make the ride quite harsh and causes you to "bounce around" too much in very technical sections while others say they can't tell much difference from their aluminum rims (except increased acceleration and lighter weight) in terms of harshness.

    Can anyone comment on them feeling much harsher than aluminum rims? I weigh 170lbs/77kg and ride quite aggressively through very technical terrain on the north shore of Vancouver. I don't do big drops but I smash through rock/root gardens at high speed.

    Would going with the 'All Mountain' version as opposed to the 'Heavy Duty' version provide a bit more flex to make them less harsh? Which model LB rims would feel the least harsh while still holding up to the type of riding I do?

  194. #194
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    I'm riding the 31.6/38mm rims. My bike is full rigid and I don't notice much difference from my previous aluminum rims. In fact the ride is better because I'm running slightly lower pressure than before. This is only one person's opinion, but I've never understood the stiffer / harsher comments. If you've got suspension, I feel like differences in rim stiffness are going to be insignificant.

  195. #195
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    Quote Originally Posted by Jave View Post
    So I really want to buy a set of LB wide rims for my "Enduro" bike. The only thing holding me back is I'm worried that they are too stiff and will make things feel too harsh. Opinions seem to be divided on this subject from what I've read. Some say carbon wheels are too stiff and make the ride quite harsh and causes you to "bounce around" too much in very technical sections while others say they can't tell much difference from their aluminum rims (except increased acceleration and lighter weight) in terms of harshness.

    Can anyone comment on them feeling much harsher than aluminum rims? I weigh 170lbs/77kg and ride quite aggressively through very technical terrain on the north shore of Vancouver. I don't do big drops but I smash through rock/root gardens at high speed.

    Would going with the 'All Mountain' version as opposed to the 'Heavy Duty' version provide a bit more flex to make them less harsh? Which model LB rims would feel the least harsh while still holding up to the type of riding I do?

    Harsh? No way. Connected? Absolutely. The lateral rigidity they offer is incredible. It's like your riding on a rail and your tire performance will be more of your focus. When I made the transition, harshness was not perceived in the least on a full suspension bike. I'm full carbon (wheels, frame, bars). Tune your suspension to suit. I ride mostly sharp rocky chunk and the entire bike feels connected with no unwanted flex. You don't realize how much flex occurs until you cancel it out and the wheels were a huge step in doing that.

  196. #196
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    One more in favor of carbon rims here. You will notice the lateral stiffness when cornering, but if your suspension is set up properly, harshness won't exist. Keep in mind you can likely run lower pressures which if anything will make your ride less harsh. That said, if rock gardens are your thing, I would go with heavy duty rear and AM front. The extra layer can only be a good thing if you case a jump or smack your rear wheel on that sharp rock that you lofted the front wheel over. I've had my Chili on Fromme with the 26'r enduro rims without any issues. Numerous rock strikes from the side (roll over) which have dinged up the finish, but no issues what so ever.
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  197. #197
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    Quote Originally Posted by Jave View Post
    So I really want to buy a set of LB wide rims for my 27.5 "Enduro" bike. The only thing holding me back is I'm worried that they are too stiff and will make things feel too harsh. Opinions seem to be divided on this subject from what I've read. Some say carbon wheels are too stiff and make the ride quite harsh and causes you to "bounce around" too much in very technical sections while others say they can't tell much difference from their aluminum rims (except increased acceleration and lighter weight) in terms of harshness.

    Can anyone comment on them feeling much harsher than aluminum rims? I weigh 170lbs/77kg and ride quite aggressively through very technical terrain on the north shore of Vancouver. I don't do big drops but I smash through rock/root gardens at high speed.

    Would going with the 'All Mountain' version as opposed to the 'Heavy Duty' version provide a bit more flex to make them less harsh? Which model LB rims would feel the least harsh while still holding up to the type of riding I do?
    For the 35 outter / 30 inner, I would definitely get the heavy duty option on at least the rear. If you can afford the newer offset models, I would go for that since the rim bead is 3mm thick instead of 2.5mm. None of this has anything to do with retaining some vertical compliance, it has to do with not smashing a divot into your rim on a rock or something.

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    I'm using CB. Good communication and no problems with the product. Good pricing.

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    Quote Originally Posted by Jave View Post
    So I really want to buy a set of LB wide rims for my 27.5 "Enduro" bike. The only thing holding me back is I'm worried that they are too stiff and will make things feel too harsh. Opinions seem to be divided on this subject from what I've read. Some say carbon wheels are too stiff and make the ride quite harsh and causes you to "bounce around" too much in very technical sections while others say they can't tell much difference from their aluminum rims (except increased acceleration and lighter weight) in terms of harshness.

    Can anyone comment on them feeling much harsher than aluminum rims? I weigh 170lbs/77kg and ride quite aggressively through very technical terrain on the north shore of Vancouver. I don't do big drops but I smash through rock/root gardens at high speed.

    Would going with the 'All Mountain' version as opposed to the 'Heavy Duty' version provide a bit more flex to make them less harsh? Which model LB rims would feel the least harsh while still holding up to the type of riding I do?
    Hi Jave,

    The wider and deeper you go, the stiffer the rims will be. Also, if you get a reinforced version, the sidewalls are quite a bit thicker which also adds to the stiffness.

    If you are okay with the width, I think the AM724's would be a safe bet. They are not super tall or wide so they will feel more sturdy and faster than your alloy rims because they are carbon, but they won't be overly stiff. These have 3mm thick hookless beads and a modern profile so you won't need a reinforced version based on your description unless you visit the bike parks frequently and need them to handle high pressure.

    The main thing you want to watch out for (with any carbon rim) is to keep reasonable tire pressure. You don't want to go so low that you are bottoming out often, and not so high that you are voiding the advantage of a modern relatively wide rim.

    Riding fast through rough terrain is where advanced riders find a huge advantage in a good carbon rim. The bike will track better, be more stable and predictable.

    AM724 asymmetric rim profile carbon 650b mountain bike rims Light-Bicycle
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