Building a Carbon, Tubeless, Disc Road Wheelset - Need Advice
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  1. #1
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    Building a Carbon, Tubeless, Disc Road Wheelset - Need Advice

    I'm in the process of designing a new wheelset to be built for my road disc bike. Never had a custom wheel built before. This is what I'm thinking of building. Any advice or feedback welcome.

    Tubeless specific 38mm Carbon rims with no brake surface
    No spoke holes drilled through the rim bed (no need for rim tape)
    DT Swiss 240S straight pull center lock hubs 28/28 hole
    QR 100mm/135mm, Shimano 11 speed
    Sapim cx ray spoke - black
    Sapim sils nipple - black

    I'm planning on having these built by Farsports because of the cost savings compared to buying these from one of the brand name wheel companies (Zipp, ROL, Reynolds, FFWD, etc.) Cost is about half of the best price I could find on a commercial carbon wheelset.

    Thanks

  2. #2
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    Quote Originally Posted by KevinLutz View Post
    I'm in the process of designing a new wheelset to be built for my road disc bike. Never had a custom wheel built before. This is what I'm thinking of building. Any advice or feedback welcome.

    Tubeless specific 38mm Carbon rims with no brake surface
    No spoke holes drilled through the rim bed (no need for rim tape)
    DT Swiss 240S straight pull center lock hubs 28/28 hole
    QR 100mm/135mm, Shimano 11 speed
    Sapim cx ray spoke - black
    Sapim sils nipple - black

    I'm planning on having these built by Farsports because of the cost savings compared to buying these from one of the brand name wheel companies (Zipp, ROL, Reynolds, FFWD, etc.) Cost is about half of the best price I could find on a commercial carbon wheelset.

    Thanks
    I'm sure this is possible, and possibly even available, but...have you ever built a wheel w/ rims like this? You certainly won't be threading nipples into the rim like Mavic, so you'll have to drop them in through the valve hole and then get them to pop through the spoke holes.

    Major.
    Pain.

    My advice based on a fair amount (20yrs or so) of building wheels is to go w/ 'normal' rims w/ holes in the tire bed for nipples and use some tubeless tape.
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  3. #3
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    Quote Originally Posted by KevinLutz View Post
    No spoke holes drilled through the rim bed
    Do you have a source for those? If so, I'd love for you to share it.
    .

  4. #4
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    Quote Originally Posted by KevinLutz View Post
    I'm in the process of designing a new wheelset to be built for my road disc bike. Never had a custom wheel built before. This is what I'm thinking of building. Any advice or feedback welcome.

    Tubeless specific 38mm Carbon rims with no brake surface
    No spoke holes drilled through the rim bed (no need for rim tape)
    DT Swiss 240S straight pull center lock hubs 28/28 hole
    QR 100mm/135mm, Shimano 11 speed
    Sapim cx ray spoke - black
    Sapim sils nipple - black

    I'm planning on having these built by Farsports because of the cost savings compared to buying these from one of the brand name wheel companies (Zipp, ROL, Reynolds, FFWD, etc.) Cost is about half of the best price I could find on a commercial carbon wheelset.

    Thanks
    IDK where you'd be able to source carbon rims without the holes drilled through the rim bed. However, you might be interested in getting a set of November Rail 34s. In a 28/28 spoke count with White Industries center lock disc hubs you're looking at a $1545 build that weighs around 1500 grams, and the rim depth is only 4 mm shallower than your goal. These will be coming from Maryland, so they're about as local as you can get. You'd still have to do the tubeless conversion with Stan's tape, though.
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  5. #5
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    You never stated which brand/model of Tubeless specific 38mm Carbon rims with no brake surface you are using. Or if you are using CenterLock Disc mount. Without all the data I can't compare experiences or comment.
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  6. #6
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    Given that OP didn't mention the brand of wheels, I'd assume (could be completely wrong) that he may be going with something like this:
    Carbon Bicycle Wheel - Buy Light Clincher Carbon Bike Wheels Yoeleo

  7. #7
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    Could someone explain to me who makes, and how you get the nipples in to build and service a rim with no holes in the rim bed that is carbon?

  8. #8
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    Quote Originally Posted by robt57 View Post
    Could someone explain to me who makes, and how you get the nipples in to build and service a rim with no holes in the rim bed that is carbon?
    CX explained it above. I think the existing record is two years per wheel.
    .

  9. #9
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    Quote Originally Posted by Mike T. View Post
    CX explained it above. I think the existing record is two years per wheel.
    Yeah, saw his post. Who makes them? I have a dozen build under my belt, and I sure don't think I'd so that. ;) And I have had some real frustrating rim tape episodes in my days. Especially with a few A23s last year. The OC rim holes went into the tubeless beadlock hump [whatever it is called] for Pete's sake.

  10. #10
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    No one makes them AFAIK. Stupid idea.
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  11. #11
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    I am into creative snaking as much as the next guy. I supposed you could use fishing string to snake the nipples in, and some vacuum to coax the nylon to and fro.

    But you'd have to use nipples that show. Not sure how you could do it with a Pillar hexagonal nipples used for hidden/internal application. Or rather pretty sure you couldn't...

    After doing tubeless on Dura Ace wheels not needing rim tape I can sure appreciate the desire I can say. ;)

  12. #12
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    Quote Originally Posted by robt57 View Post
    Who makes them?
    Nobody. They would have to use Mavic's system and I'll bet Mavic wouldn't license that to anyone.
    .

  13. #13
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    Source for wheels

    Quote Originally Posted by Mike T. View Post
    Do you have a source for those? If so, I'd love for you to share it.
    I'm getting mine from Far Sports. Far Sports

  14. #14
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    Brands of Carbon Rims and Hub

    The rims are from FarSports.com and the DT Swiss hubs are CenterLock disc mount.

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    I have a set of Fulcrum Racing Zero tubeless wheels. They have AL rims, but no spoke holes in the rim bed. You put the nipple into the valve hole and use a magnet to move it to the spoke hole. The other option is to drop a threaded spoke head (cut off) with a string attached into the spoke hole, spin the wheel until it comes out the valve hole. Then you attach the nipple and pull back into the spoke whole. Takes more time, but you avoid all the issues with rim tape.

    With my Fulcrum wheelset I have broken three spokes over about 20,000 miles. I was able to change the spoke and reuse the original nipple. Just need to be careful that it doesn't fall back into the rim.

  16. #16
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    Quote Originally Posted by KevinLutz View Post
    I'm getting mine from Far Sports. Far Sports
    Wasn't too far off on my guess. I thought Yoeleo was the only Chinese seller that had those available, but I haven't checked Far Sports in a loooong time. Good luck with your build.

  17. #17
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    Quote Originally Posted by Mike T. View Post
    Do you have a source for those? If so, I'd love for you to share it.
    You can get them out of China, Yoeleo calls them their "SAT -Special Assembly Techology" rims. They put a "slug" in the nipples in the feed them around the rim with a magnet, remove the slug and put the spoke in, while holding on to the nipple. The workers doing it are pretty fast at it. Not something I'm interested in, but to each their own.
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  18. #18
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    Quote Originally Posted by KevinLutz View Post
    I'm getting mine from Far Sports. Far Sports
    And they have no spoke holes drilled through the rim bed? Which model?
    .

  19. #19
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    I saw that Yoeleo had tubular as such and use exposed nipple.

    Did not see clinchers, bet they do that too...

  20. #20
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    The model is FSC38-23-CM tubeless. When I ordered I specified what I wanted drilled (e.g., 28/28 spoke holes with no holes in the rim bed).

  21. #21
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    Quote Originally Posted by KevinLutz View Post
    The model is FSC38-23-CM tubeless. When I ordered I specified what I wanted drilled (e.g., 28/28 spoke holes with no holes in the rim bed).
    So have you figured out how you're going to get the nipples in place?
    .

  22. #22
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    Quote Originally Posted by KevinLutz View Post
    The model is FSC38-23-CM tubeless. When I ordered I specified what I wanted drilled (e.g., 28/28 spoke holes with no holes in the rim bed).

    Ordered the rims alone? and from where??

    Thanks...


    I am thinking the build if with J bend spokes is going to be a real challenge. At least with straight pull hub/spoke getting the nipple started won't be a tedious. In my minds eye, anyway...
    Last edited by robt57; 10-22-2014 at 02:38 PM.

  23. #23
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    I really like this wheel spec for road bike disc brake wheels. I'd love a pair for myself.

  24. #24
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    So, did the OP ever get his wheels built?
    How was it?
    How did they turn out?

  25. #25
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    Tubeless Specific Carbon Disc Rim / Wheelset

    The wheels are built and Schwalbe One tubeless tires have been mounted. I'm still in the process of building my new road bike with Shimano Di2 Hydraulic brakes, so I haven't taken the wheels out on the road yet. That should happen in the next few days (weather permitting).

    IMG_8704 - Small.jpg

    As you can see from the photo there are no spoke holes in the rim bed. Insert the tubeless valve, mount the tire and fill with air. I used a small amount of Stans NoTubes sealant.

    I've been using road tubeless for about 5 years and will never go back. I will likely run these at 90 psi which puts less strain on the sidewalls. Since I'm using disc brake hubs there is no brake surface on the rim giving it a really nice look.

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