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  1. #9501
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    Quote Originally Posted by durhamguy View Post
    Hello,

    I'm new to the forum and planning to buy a carbon frame to transfer components from my aluminum framed Bulls Copperhead 29 RSI. All Shimano Deore XT 2x11 drive-train and hubs, Fox 32 Float front fork. I'm hoping someone has built up a Chinese carbon frame with the following specs:

    1) Headset angle <70 degrees
    2) top swing front derailleur
    3) 180mm brake rotors
    4) 100mm front travel fork
    5) clearance for 2.3 inch tires
    6) Optional 27mm seat post

    This bike will be used primarily for mixed trail use on moderate single track with some XC.

    Has anyone built-up a carbon frame with a similar configuration? If so, what model frame did you use?
    Last year i bought a used bike with a frame quite similar. All components are top, 100mm Rockshock SID and i really enjoy it. The 11 speeds is not for everyone. I like mine 28 front, 10-42 SRAM but my top speed suffers i can live with that. I bought it with 32 in front and it was not to my liking. It is a versatile bike depending where you ride select the proper tires and you should enjoy it. Mine is 22 pounds or 21 tubeless for a medium.

  2. #9502
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    My BXT arrived today via usps express, about 1 week after I ordered it, unbelievable! Usps made me sign for it too, which is good in my neighborhood. I haven't had a chance to unwrap it completely, but I did check the size and yes, they did send me their XL which is what I ordered.
    carry clippers! cut something off the trail every time you ride.

  3. #9503
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    BXT update: I had my shop/team guy look at it, he thought it looked good, clean inside the tubes as far as we could see as well. 1380g on his scale, which matches the weight on my fish scale, this is size XL.

    Someone had a question about tire clearance; this is a Specialized Ground Control 2.3 (measures 2.2 actual at the edge of the side knobs, on an old Stans rim), there's still room for a 6mm hex wrench on either side of the chainstays, there's more room on the seatstays.

    The seatpost clamp fits nicely, and the seatpost fit in just right.

    I put the quick release dropouts in (2 little bolts to change from thru to qr), and due to the thickness of the dropouts I had to remove the QR end to get the wheel on, - you'll want a wider QR shaft if going that route. The wheels I'll be putting on are have Hope Pro2Evo hubs so I think I can adapt to thru from QR very easily.
    first photo is seatstays, 2nd is chainstays.
    Attached Thumbnails Attached Thumbnails Chinese Carbon 29er-bxt-seatstays.jpg  

    Chinese Carbon 29er-bxt-chainstays.jpg  

    carry clippers! cut something off the trail every time you ride.

  4. #9504
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    Quote Originally Posted by sissypants View Post
    Matte black is actually a light powder coating of black paint. If the frame isn't painted it looks a bit raw and unfinished--you would see "seams" where carbon pieces end. I once made the mistake of ordering a frame "unfinished and unpainted", which looked a bit uglier than expected and was cheaper, but didn't have that smooth and consistent black finish.

    You don't need to worry about cracks failing to show through paint. If the cracks are structurally compromising, the paint will crack as well. I've seen even small and safe cracks due to cracked paint on a carbon frame of mine no problem.
    Interesting. Thanks for the info. I should have gone gloss then lol

  5. #9505
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    Purchased Workswell 062

    After a lot of research I ended up ordering a Workswell 062 frame because it seems to be the most compatible with my combination of short legs and long torso. The geometry is identical to the Stumpjumper 29 HT. Plus the price was good ($350) with 21 day delivery guarantee and trackable shipping (hint:look for regular EMS shipping) and includes headset seatpost clamp and axle. It also seems that the Workswell brand has been around for a while.

    I'll send some updates as the build comes along.

    BTW: Here's a plug for the service rep that helped me with my Workswell order. Her name was Coco and she was very helpful with placing a new order after I changed my mind about my frame. She was very responsive.
    sales10@workswellbikes.com.cn



    Quote Originally Posted by durhamguy View Post
    Hello,

    I'm new to the forum and planning to buy a carbon frame to transfer components from my aluminum framed Bulls Copperhead 29 RSI. All Shimano Deore XT 2x11 drive-train and hubs, Fox 32 Float front fork. I'm hoping someone has built up a Chinese carbon frame with the following specs:

    1) Headset angle <70 degrees
    2) top swing front derailleur
    3) 180mm brake rotors
    4) 100mm front travel fork
    5) clearance for 2.3 inch tires
    6) Optional 27mm seat post

    This bike will be used primarily for mixed trail use on moderate single track with some XC.

    Has anyone built-up a carbon frame with a similar configuration? If so, what model frame did you use?

  6. #9506
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    Built this chinese 29er over the weekend after my 1st one got stolen:







    Went with the xmcarbonspeed CS-496 boost frame. It is 148x12 in the rear, and im currently using the rockshox recon 110x15 in the front. It was a very easy build, the internal routing was a breeze for the most part. I posted my build thread over on chinertown forums: CS-496 HT Build [pics] 25.5lbs

  7. #9507
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    Great looking build!

    Where do you think you couldíve saved some weight? Iíve got my heart set on sub 23lbs...


    Sent from my iPhone using Tapatalk

  8. #9508
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    Quote Originally Posted by sharp21 View Post
    Great looking build!

    Where do you think you couldíve saved some weight? Iíve got my heart set on sub 23lbs...


    Sent from my iPhone using Tapatalk
    Oh easily this can get to 23lbs. I have a set of chiner carbon wheels as well that I haven't setup yet because im waiting for my new maxxis 2.4's to come in. That saves straight up 1.5lbs, then a reba rl fork instead of the recon would save another 1lbs.

  9. #9509
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    Quote Originally Posted by samroy92 View Post
    Oh easily this can get to 23lbs. I have a set of chiner carbon wheels as well that I haven't setup yet because im waiting for my new maxxis 2.4's to come in. That saves straight up 1.5lbs, then a reba rl fork instead of the recon would save another 1lbs.
    Nice. Iím collecting parts now, staring with the BXT frame. Plan on building some carbon wheels also.

    Iíd really like to use the Fox 34 so am going to buy that next, then plan the rest of the build around that.


    Sent from my iPhone using Tapatalk

  10. #9510
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    Is there any Chinese carbon frame maker that is currently making a frame that I could move over my parts from an early 2000's Fisher 29er? 135mm rear quick release hub, 1 1/8 straight steerer tube fork, threaded bottom bracket, triple crankset.

  11. #9511
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    I have a straight steerer Fox fork in a tapered head tube Raleigh Talus Pro, all you need is an adapter to put a straight steer tube in a tapered head tube. Do you know how much travel your fork has? Would that old be 80mm? My Fox in my Raleigh is 80mm, I'm not certain if that Raleigh frame was spec'd for 80 or 100, but I've put a lot of miles on it and it works really great so...
    If your fork is 80mm; the common frames seem to be spec'd for 100mm, so you'd have a steeper head angle by about 1 deg, - not ridiculous or unrideable, but not ideal and you may go over the bars one or two more times than you wouldn't otherwise.
    The BXT will take standard QR (but like I stated above you may need a longer quickie shaft), it is also standard threaded (English) BB and has inner cable routing for a front Der, - but you might as well convert to 1x like everyone else.
    carry clippers! cut something off the trail every time you ride.

  12. #9512
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    My FM057 frame (2014) has a threaded BB, and got some 135mm dropouts with it.

    As stated above, you should be able to get a crown race that would enable you to use a 1-1/8 steerer in it.

    The head angle of this frame is 69.5 with a 100mm fork. An 80mm fork would probable result in a HA over 70, but still in an acceptable range (when compared with older frames).

    I think they still sell the 057 frame at various places. Might be called IP057.

  13. #9513
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    I have a Carver 465 rigid fork on the Fisher right now. Frame was designed around a 80mm fork. I'll look for the mentioned frames. If anyone else has a lead on a different frame please post.

  14. #9514
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    Maybe get a matching fork with the frame? I did with mine, and it was only $100 or maybe $150. That was a few years ago though.

  15. #9515
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    Been looking at different frame options, Workswell in particular. Does anyone know if Workswell, or any of the Chinese frames, have integrated headset? I sent an email with several questions and got a quick response. However, that question was unanswered.

  16. #9516
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    Every Chinese frame I've had a good look at takes an integrated headset. IIRC, 42 upper, 52 lower.

  17. #9517
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    Quote Originally Posted by sclyde2 View Post
    Every Chinese frame I've had a good look at takes an integrated headset. IIRC, 42 upper, 52 lower.
    Thanks sclyde2. I was pretty sure they do, but you never know.

  18. #9518
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    What 29er frames can take an internally routed dropper? I was looking at the Tideace FM-M009 and the XMCarbonspeed CS-416. Are there others? I would prefer BSA BB, but could also go PF if needed. Also, the ability to run 135QR is required (which I know many frames have both 142 and 135 options).

  19. #9519
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    I can confirm the FM-M009 can take an internally 27.2 dropper. I couldn't be happier for the price.
    Wheel Mfg eccentric BB has been problem-free so far as well.

    Chinese Carbon 29er-20180523_185923.jpg

  20. #9520
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    Quote Originally Posted by primefocus View Post
    I can confirm the FM-M009 can take an internally 27.2 dropper. I couldn't be happier for the price.
    Wheel Mfg eccentric BB has been problem-free so far as well.

    Click image for larger version. 

Name:	20180523_185923.jpg 
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    Do you have detailed photos of how you ran the cable? Or can you describe the process?

  21. #9521
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    It was some of the easiest internal routing that I have encountered (on a bike without full-length internal tubes anyway). If you are running a single ring you can run the cable from the left handlebar and have it enter internal cable port on the right head-tube. Very sleek. There is a convenient cap on the bottom of the BB shell that comes off to help route cables. I was also able to run the rear brake internally, entering on the left of the head-tube. This leaves one open port on the left of the head-tube if you wanted to run the cable for the rear derailleur, as a single speed it is left open. In total there are thee ports (one on the right of the head tube, and two on the left). There is also routing from the middle the down-tube and back of the seat-tube if you wanted to run wires for di2 lol.

    Seatpost is the brand-x ascend CX 27.2 post. 105mm travel. It has been great but I've only had it installed about three months. Can't complain for $148. The complete bike as shown with dropper, heavy old time pedals, 5 year old fox fork, and 600gm tires is 22.x pounds.

    One more thing for folks hoping to run an eccentric BB on these open-mold frames: I have heard that some of them do not have a continuous carbon tube at BB. Without a robust continuous tube it is apparently possible for the frame to flex/buckle under the clamping pressure of the EBB. This frame does have the continuous tube and has not given me any trouble so far (FWIW), but I suppose it could fail at any time.

  22. #9522
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    Name:  tideaceBB.jpg
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    Quote Originally Posted by primefocus View Post
    There is a convenient cap on the bottom of the BB shell that comes off to help route cables.
    So, when the cap on the BB is removed (see picture) this will give me direct access to the seat tube (by not using the pre-defined routing options for the brake and derailleurs)? It will be down with a 1x setup. Also, I have the option to go 31.6 on the seat post size to open up my options for droppers.

  23. #9523
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    Wow! 31.6 would be incredible! Was that something they offered after contacting them?

    Routing for the dropper will go above the BB, so wouldn't be visible in the picture above. The nice thing about the cap is that it lets you use a screwdriver/etc to help poke the cable and make that sharp turn. The routing for the Front derailleur ends up exiting the frame behind the seat-tube/BB.

  24. #9524
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    There is a guy on Pinkbike that sells the Tideace under DIY Bikes and has the option of 27.2 or 31.6 as well as PF30 or BSA.

  25. #9525
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    Quote Originally Posted by primefocus View Post
    It was some of the easiest internal routing that I have encountered (on a bike without full-length internal tubes anyway). If you are running a single ring you can run the cable from the left handlebar and have it enter internal cable port on the right head-tube. Very sleek. There is a convenient cap on the bottom of the BB shell that comes off to help route cables. I was also able to run the rear brake internally, entering on the left of the head-tube. This leaves one open port on the left of the head-tube if you wanted to run the cable for the rear derailleur, as a single speed it is left open. In total there are thee ports (one on the right of the head tube, and two on the left). There is also routing from the middle the down-tube and back of the seat-tube if you wanted to run wires for di2 lol.

    Seatpost is the brand-x ascend CX 27.2 post. 105mm travel. It has been great but I've only had it installed about three months. Can't complain for $148. The complete bike as shown with dropper, heavy old time pedals, 5 year old fox fork, and 600gm tires is 22.x pounds.

    One more thing for folks hoping to run an eccentric BB on these open-mold frames: I have heard that some of them do not have a continuous carbon tube at BB. Without a robust continuous tube it is apparently possible for the frame to flex/buckle under the clamping pressure of the EBB. This frame does have the continuous tube and has not given me any trouble so far (FWIW), but I suppose it could fail at any time.
    I am wanting to build an open mold SS and that is some valuable info. I'm not quite sure I understand what you mean by "continuous carbon tube at BB". Could you possibly explain a little more about this?

    Also, the following is is a quote from a reply to "The Black Bike" blog post.

    "There's a note on Wheels Mfg. website "Our Eccentric bottom brackets for BB30 frames will not work with frames that do not have removable c-clips in the shell. If your frame has a shell with a molded step that the bearings press up against, a Wheels Manufacturing EBB will not completely fit in to the shell."

    Is this a separate issue that should be addressed?

    What about a threaded EBB, like this? Trickstuff

    Would that circumvent any of those issues?

    Thanks

  26. #9526
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    I've been using the Phil Wood eccentric BB for BSA bb's and it's been great.

    Phil Wood & Co.

  27. #9527
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    Quote Originally Posted by BXCc View Post
    I've been using the Phil Wood eccentric BB for BSA bb's and it's been great.

    Phil Wood & Co.
    I like that a lot.

    That should eliminate any concern with continuous tube, c clips, etc.? Is a half link necessary?

    The frame I have in mind is the Carbon Speed CS 057 with BSA. I have just always preferred a threaded BB.

  28. #9528
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    Quote Originally Posted by Gator Bait View Post
    I like that a lot.

    That should eliminate any concern with continuous tube, c clips, etc.? Is a half link necessary?

    The frame I have in mind is the Carbon Speed CS 057 with BSA. I have just always preferred a threaded BB.
    A half link was not needed for my setup but that isnít always the case. It doesnít have a full set worth of adjustment so other setups may vary. It does require a special installation tool so that may be a turnoff for some too. My LBS has sold a few of them with great results so thankfully they had the tool.

    I would really like to get the CS-496 from XM Carbon and set it up as a 29er SS with 2.25Ē tires but the BB92 only is a deal breaker. Itís the geometry of that bike that I want, not the tire clearance.

  29. #9529
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    Here's my update on the BXT build, my kid and I just built it up and finished last night, no rides yet but I think it will work fine, first test ride will be later this evening.

    BXT size XL is a big bike, you'll want to be close to 6'3" or bigger, standover at appx center of tt is 87cm. I did convert the Hope Pro Evo 2 rear hub from QR to 12mm through, -super easy with the 12mm $20 ebay endcaps, no tools required, the 12mm through axle that was included is nice, the included headset is decent too.
    Rear brake hose is a little short; this frame routes the brake hose through the downtube, donor bike routed through the TT which was a little shorter distance. For the 1x I did a Deckas 32t oval ring and 11-40 Sunrace (10sp), new KMC chain to start all fresh. Donor shifter is SLX and der is XT, cranks are XT, I have read that 6mm bolts are what you want, but those had very little thread overlap so we just re-used the stock big/middle bolt 10-12mm ish. I tried a BXT 400mm carbon seatpost, which is a very nice snug fit into the frame, perfect imo, my kid is only 140# so I don't think he'll break this 31.6 post. Seat is a ti-rail Kore he won at a race a few years ago. Bars are pretty narrow SLKs, I'll have to get some wider bars and longer rear brake hose at the same time. We went with a Kalloy Uno stem to save a little weight for cheap, I 'flopped' it to keep the brake levers from contacting the TT in case of crash, we may still make some cockpit changes (more carbon spacers are on the way), but it looks pretty decent as is. I dabbed a little RTV silicone on the front der cable openings to keep the crud out. These tires are XR3 Expert non-tubeless (and pretty light), they've been great running tubeless and I'm sure there's quite a bit of dried sealant inside (so they may not be very light at the moment).

    Overall the build was super easy, everything is straight and it looks very good. The only tricky part was I had to take the fork out and reach into the head tube to get the brake hose to come out the hole on the front of the downtube. Weight, as shown, no pedals is 22pounds even, -not bad for an XL, I'm pretty happy with it. The sad thing about this 'swap'; the carbon Titan frame we took all the parts off only weighs 3oz more (3lb 3oz), - I had read elsewhere on some other forum that Titan frames are 'really heavy'. Anyway, feel free to ask me any Qs, here or via pm.
    Attached Thumbnails Attached Thumbnails Chinese Carbon 29er-bxt-right.jpg  

    carry clippers! cut something off the trail every time you ride.

  30. #9530
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    The BXT worked nearly perfectly on the first 2hr ride, and the kid really likes it. I rode it a little and it seems really good, and I like the oval ring. The only not-quite perfect thing is that the inner rear der frame between the pulleys just barely contacts the 2nd biggest cog in the 11-40 cassette, with the B screw all the way in; I think I can file a little off and get it to clear.
    carry clippers! cut something off the trail every time you ride.

  31. #9531
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    Quote Originally Posted by jimPacNW View Post
    The BXT worked nearly perfectly on the first 2hr ride, and the kid really likes it. I rode it a little and it seems really good, and I like the oval ring. The only not-quite perfect thing is that the inner rear der frame between the pulleys just barely contacts the 2nd biggest cog in the 11-40 cassette, with the B screw all the way in; I think I can file a little off and get it to clear.
    Thanks for the posts jimPacNW! I've built up a few bikes now with these frames and my biggest frustration is that I can't get more than a 32T chainring up front. Some of my buddies almost wanted to go 2x just because of this limitation. I personally like 38T and am not happy with 32T so this bike is going to go the way of many other past bikes -- to craigslist.

    In terms of geo I do agree the frames feel a little large height-wize, but they aren't super long so I still wouldn't size down. I'm 6'2" on a 19".

    A third complaint I have is pedal strikes. When I'm running 29 tires it's no problem, but I have been riding a 27.5er singlespeed for a few weeks now and I've stubbed my feet on stuff that I normally would never worry about.

    All in all it's a solid frame if you can get it for <$250, (or $188 on AliExpress anniversary sales like I did), but there are much better options on the order of $300-$400. I'm really curious what Workswell, Hongfu, and ICAN have in store for 2019. I think you're going to see long and slack. They tend to operate 1 model year behind the big brands in terms of geo.

  32. #9532
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    Here's a pic of a singlespeed I built up with the Tideace frame. It's only good for singletrack as it's too slow everywhere else. I need more than a 32T up front.

    Chinese Carbon 29er-imgonline-com-ua-compresstosize-k9oe8adzslnmo.jpg
    Chinese Carbon 29er-imgonline-com-ua-compresstosize-pcyozvmkid.jpg
    Chinese Carbon 29er-imgonline-com-ua-compresstosize-rmvvicr2f7m.jpg

  33. #9533
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    Sissypants,
    Very nice bike.
    Is that the Tideace M009?
    Is the finish on the frame 3k matte black?
    I feel like you already answered this question but I just wanted to make sure....a 32t chainring will work with this frame?
    What wheels are you using?

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