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  1. #1
    I Tried Them ALL... Moderator
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    Bontrager RXL Scandium 29er wheels

    Can the hubs be modified to take 15mm thru/front and 142x12mm rear? Or, are the RXXXL carbons the only exception?
    "The mind will quit....well before the body does"

  2. #2
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    Yup. I believe if you buy the wheelset aftermarket it comes with all of the adapters for any of the axle conversions. They also come with the tubeless kit.

  3. #3
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    This is the million dollar question. I did tons of research on this (as you know, I'm selling a pair of RXL wheels) apparently the ones that come with new bikes are NOT convertible but the aftermarket ones as seen on bontragers website are made with dt swiss 240 hubs and are convertible and they include the conversion pieces when you purchase. The set that I have are already 15mm front and 142 rear and there are options to easily get qr on the front if someone really wants it but there doesn't appear to be an option to go to 135 on the back though I'm sure someone could fabricate something.

  4. #4
    I Tried Them ALL... Moderator
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    I found a guy on eBay who hand-machines billet alloy 15mm>9mm QR adapters. These simply slide straight into the 15mm front hub and is secured by two o-rings. This is about the best, precision axle reduction you can buy to date:

    Mountain Bike 15mm thru Axle to Standard 5mm Quick Release Wheel Adapter | eBay

    And, here is his rear 142x12>135x10 QR bit. Get all the benefits of thick axles, while running your old QR forks and frames:

    Mountain Bike 12mm thru Axle to Standard 5mm Quick Release Wheel Adapter | eBay
    Last edited by Zachariah; 06-06-2013 at 07:24 AM.
    "The mind will quit....well before the body does"

  5. #5
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    Re: Bontrager RXL Scandium 29er wheels

    I have seen those and knew it could.work up.front I just can't visualize how the rear can possibly work

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  6. #6
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    Zachariah, I still cant conceptualize how this can work in the rear. I took my set of bonty wheels and put them up to my frame and the front is obvious; the 15 thru ax hub is still spaced at 100mm so the adaptor slides through the hub and has the little nubs on the end to rest in the dropouts or you get a DT SWiss 9mm rws thru bolt and that will rest in the dropouts and clamp the wheel in. But I can't picture how the rear can work because the hubs are 142x12, not 135. Without being able to remove the endcaps, I must still be Shittouttaluck with the rear wheel.

    I really love the look of these wheels, I'm wondering if I should see if I can find a hub with the same dimensions and just relace the wheel. I'd like to get a chinese carbon frame with the 142 rear end but it's just not in my budget right now

  7. #7
    I Tried Them ALL... Moderator
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    Yeah, there is NO WAY your 142x12 RXL will ever fit inside a 135x10 rear dropout...
    "The mind will quit....well before the body does"

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