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  1. #776
    74 & 29 pilot
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    I've had no problems with the Nevegal on L-B rim. Seated and sealed right up with an air compressor. Take the internals out of the valve and blast the air through the valve stem to get the tire to seat. 3 layers of tape is unnecessary and is taking up room to get the bead to seat. One layer of Stan's or Gorilla tape with overlap at the valve hole should work fine.

    Good Luck
    MTBP
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  2. #777
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    Got my rims in the promised 4 working days. Laced them over last night and am patiently awaiting arrival of tensiometer before mounting tires and whatnot.

    They build up very nicely...considering their rigidity, that should not be news...

    They are laced over to an I9 build with Stans rims. It was weird that the spoke holes are not staggered. Weight was almost a wash...maybe 50g lighter with the new set...much wider though. the Stans rims were a 355 and Arch (non-EX).

    I think I'll order and extra to keep in the gear locker for inevitable rock hit of operator error type wheel failure.

  3. #778
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    Thanks for the tips. I'll try the rim strip as I've now run out of tape!

  4. #779
    RTM
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    FYI, for the archives...

    I just mounted a 2.35 maxxis dhf, wire bead, single ply, 42a "super tacky" tubeless with one layer of gorilla tape and Stan's sealant. Took about three puffs from the compressor for the bead to seat and had almost no leakage. Still holding firm 2 days later. It has been my best tubeless attempt to date and that includes an actual UST rim & tire. Good times.
    "The bitterness of poor quality remains long after the sweetness of a low price is forgotten." - Benjamin Franklin

  5. #780
    74 & 29 pilot
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    Quote Originally Posted by highaltitude View Post
    Thanks for the tips. I'll try the rim strip as I've now run out of tape!
    Target, Wal-Mart, Lowes and Home Depot sell Gorilla Tape "To Go" which is a roll that is already cut to 25mm for less than $3.
    MTBP
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  6. #781
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    Quote Originally Posted by MTB Pilot View Post
    Target, Wal-Mart, Lowes and Home Depot sell Gorilla Tape "To Go" which is a roll that is already cut to 25mm for less than $3.
    I'm living about 10,000 miles away from any of those stores! But I should able to get the bonty strips on Saturday from my lbs. thanks.

  7. #782
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    After several rear hub shipping mishaps I finally got my set built up, 1450g!

    Wider Rims UD Matte (~360g)
    DT revolution spokes (~110 kgf tension)
    DT 240S Rear Hub (10mm)
    Hope Pro Front (20mm)

    I also managed to mount them up tubeless without any issue. This is my first tubeless (and my first carbon) wheelset so I was pretty jazzed when it all worked right away.

    This is what I did:
    1" (25.4mm) Gorilla tape on the rim (overlapping the valve hole by 2" on either side)
    Mounted Tires (Mountain King II 2.4 Protection)
    2 Scoops of Stan's per wheel
    Inflate!

    I had recently purchased a high volume floor pump from Lezyne that supposedly can mount tubeless tires. Not the case here and I don't have a compressor so I was kind of annoyed that it didn't work. I decided to try a CO2 cartridge (16g) and it worked right away on both tires, it took one cartridge per tire and they were about 25 psi after the cartridge had emptied.

    I did not put any soap on the bead and the beads still seated right away. The tires were mounted on another wheelset for the last few weeks though which supposedly helps.

  8. #783
    MattSavage
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    Quote Originally Posted by sraak View Post
    I had recently purchased a high volume floor pump from Lezyne that supposedly can mount tubeless tires. Not the case here and I don't have a compressor so I was kind of annoyed that it didn't work. .
    Heh,heh... I fell for that sales pitch too. I wanted a pump that moved the most air for setting up tubeless and naturally the salesperson said the Lezyne was the best (coincidentally the most expensive!) but it didn't work worth crap. I hate the heads on those as well.

    I bought a Topeak Joe Blow Pro and it has worked about 80% of the time. That new Topeak JB Ace looks even better, though!
    "I wrote a hit play! What have you ever done?!"

    Have Ashtray, Will Travel....

  9. #784
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    Ha ha. yep. What's even more funny is that I bought the CNC version... Wait, maybe that isn't funny....

    The head is kind of annoying, I found out pretty quickly that if you use the screw on "flip chuck" adapater they have it removes the core when you're taking it off... ughh.. Oh well, I'm very happy to just use a CO2 cartridge to get teh job done.

  10. #785
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    so it looks like an even wider/DH version will be available at some point.
    info from ridemonkey :

    "Hello Noah,

    Thanks for your mail. Wish you will like our rims.
    One of our customer is going to design the much wider rim, it will be 35mm wide, and 27mm for the inner width. But it will take quite a long time to test.
    You can order from him when the rim is ready to sell. We will manufacture the rims for him.

    Thanks,
    Nancy"

  11. #786
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    What is the length of spokes to hubs 240s ,110 20mm front and 150mm rear with 26 extra wide rims stronger 450g ?

  12. #787
    Greystoke
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    Quote Originally Posted by Andrewandy View Post
    What is the length of spokes to hubs 240s ,110 20mm front and 150mm rear with 26 extra wide rims stronger 450g ?
    You should find what you're after here.

    #1 Wheel Building SPOKE CALCULATOR Now Online | PROWHEELBUILDER

  13. #788
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    My experience with the Light Bicycle carbon rims has been very disappointing. I built a set of their UST compatible 26in wide rims in August 2012 and the rear rim cracked while I was preriding the Moab Enduro race course down Porcupine Rim at the end of September. I had a Conti Mountain King II 2.4 tire tubeless at 28psi mounted on the rim when it cracked and I weigh 165lbs. For reference, I had ACL reconstruction surgery in May so am not taking any chances this year and riding very conservatively.

    I had to scramble and buy a rear wheel so I could ride in the race and finish my Moab trip.





    They replaced the rim under warranty and they sent me what they called a reinforced rim (around 400g). I rebuilt the wheel (CK hub and DT Comp spokes at 110kgf driveside tension) with the new rim and after only 4-5 rides it cracked again. This time I was running a Conti Mountain King 2.4 tire (850g) with a much beefier sidewall than the first generation MK tire, also tubeless at 28psi. I cracked the rim rolling down Bailey's at Blue Mountain (Peekskill, NY) - definitely just an XC trail with some rocks.







    They replaced this rim under warranty again and sent a new reinforced rim. They still charge $40 for shipping for the replacement rims, so not free, and I need to rebuild the wheel, again. Definitely not worth the uncertainty and the hassle for me. I am going back to the Stan's Flow that I had on those hubs for 4 seasons.

  14. #789
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    Sucks to see - out of curiosity what did your stans flows look like after 4 seasons of riding (dents n dings?) Some people are just harder on wheels then others - and for those that do dent/ding alloy rims I dont think carbon is a great option.

    Plus side is their customer service appears ok - replacing both rims. Ya - you had to pay shipping, but that is not uncommon.

  15. #790
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    Quote Originally Posted by 006_007 View Post
    Sucks to see - out of curiosity what did your stans flows look like after 4 seasons of riding (dents n dings?) Some people are just harder on wheels then others - and for those that do dent/ding alloy rims I dont think carbon is a great option.

    Plus side is their customer service appears ok - replacing both rims. Ya - you had to pay shipping, but that is not uncommon.
    Front Flow rim is perfect (that's the one I am going to use to rebuild the rear wheel) and the rear one had a couple of small dents over the years that I straightened out with channel locks and still holds air for a tubeless setup without any problems. The only reason I bought the carbon rims was to try and lose some rotating weight without compromising stiffness and width.

    In both cases when I cracked the rims the tires did not flat and Stan's sealed the crack. I don't consider myself particularly hard on gear. If you look at this video I shot a few years ago at Blue Mountain you will see exactly the spot on the trail where I cracked my rim (somewhere between 0:26 and 0:31):

    Fall ride at Blue Mountain from Luca Marinelli on Vimeo.

    Ian, Pete, and Luca ride at Blue Mountain Reservation in Peekskill, NY on November 29, 2008.



    As I said, it's an XC trail. Not really where I would expect a 30mm wide rim to fail.

  16. #791
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    What is de ERD for the 26 wide rims extra stronger 450g ?

  17. #792
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    Noob question:

    If the trails I ride are generally free of thorns, can I just choose to get a pair of Stan's universal valve stems, a set of UST tyres (say Small Block 8s), pump it up and go ride, without adding sealant?

    Currently running a tubed setup and I believe yellow tape was already installed by my LBS. Thanks!

  18. #793
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    nybike1971
    maybe its time to use more PSI on the rear tire....
    I guess you would break any carbon rim with 28 PSI on the rear.

  19. #794
    obsessive
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    Q: How do I lose 1.5 lbs off my bike?
    A: Replace the Transition 32s with carbon!

    Painted by Light-Bicycle to match. Extra fiber added to 385g. Per Brian, they make the extra weight with more wraps of fiber, not just resin. Can't wait to build!
    Go out and ride your bike


  20. #795
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    nice!!!

  21. #796
    ride more
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    Wow...Looks great

  22. #797
    bicycle rider
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    Quote Originally Posted by saruti View Post
    nybike1971
    maybe its time to use more PSI on the rear tire....
    I guess you would break any carbon rim with 28 PSI on the rear.
    I disagree, 28psi in a 2.4" tire is not low pressure, especially for a 165lb rider.

    I've got ~400 miles of mtn bike racing on a set of Edge Composites (now ENVE) XC 29er rims. I've only ever run them tubeless, with xc-level tires, and I think the max I've ever had in them was 32psi. I'm just over 200lbs. I usually raced them at 28/29psi. I'm a lot heavier than nybike1971, and these tires were in the 2.0" - 2.2" range. I don't know anyone running tubeless that regularly puts more than 32psi in their tires, and no one running 2.4" tires who inflates them to more than 30psi. These light-bicycle rims should be able to survive in conditions, as well as or better than aluminum rims.

    I have a set of the 29er wide rims on the way, built with extra material. I do have some trepidation about their durability, but I'm treating this like an experiment. I will build them up and ride them hard on my fun bikes, and hopefully they hold up. I'd get more ENVE rims if I could afford them. Right now I have Stans Flow rims on three 29ers. Ideally I'd race them in the Downieville Classic next summer, but... we will see.

    There's a human tendency to defend an idea in which we've invested resources, or in which we place a lot of hope. Right? Keep an open mind about these rims. The price does seem too good to be true. We'll all find out. Hopefully light-bicycle.com, and carbon manufacturers like them are using our real-world experiences and broken rims to improve their product.

    Morgan

  23. #798
    bicycle rider
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    Quote Originally Posted by axl886 View Post
    Noob question:

    If the trails I ride are generally free of thorns, can I just choose to get a pair of Stan's universal valve stems, a set of UST tyres (say Small Block 8s), pump it up and go ride, without adding sealant?

    Currently running a tubed setup and I believe yellow tape was already installed by my LBS. Thanks!
    I don't think so, but try it and report back. Dry tubeless might work on a UST system - I believe that was the design goal - but in a Stans-style system, sealant helps to seal the system. The puncture repair aspect is another benefit. I don't have many tire-puncturing thorns where I live, but I have pinch-flatted and punctured tires, running tubeless, and sealant has gotten me home without putting a tube in. (Sometimes, I have to put a tube in.)

    Never a preposition end your sentence with,

    Morgan

  24. #799
    74 & 29 pilot
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    Quote Originally Posted by saruti View Post
    nybike1971
    maybe its time to use more PSI on the rear tire....
    I guess you would break any carbon rim with 28 PSI on the rear.
    Well your guess would be wrong then

    Been running Easton Havens carbon version at 28 PSI for 6 months of hard riding in the AZ rocky terrain and no failures and I'm 190 lbs without gear. My buddy has them in 26" and 29" with the same results.
    MTBP
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  25. #800
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    I will agree. I am 210lbs riding weight I ride extremely aggressive and I never inflate more then 30 psi even during park riding. This is on a Hans dumpf 2.3 Stan's flow. I just had my carbon wheels built looking forward to my first ride.

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