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  1. #1
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    Reputation: ewarnerusa's Avatar
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    Jun 2004

    Could something in my fork cause me to lose thru axle QR clamping force?

    I've asked this in wheels and tires, too.
    I have a Rock Shox Reba RL with 15mm TA. Starting yesterday it seems like I've lost most of the clamping force in the QR. How could that happen? Could there be something up with the fork dropouts?
    Previously when I put the wheel in the dropouts, I would turn and tighten the TA until it was just snug, then I would clamp the QR down closed and I could feel it provide some good clamping force. It felt like about the same clamping force as a traditional 9mm QR. But when putting the wheel on yesterday I used the same procedure but the QR didn't seem to provide much clamp force at all. Even if I turn and tighten the TA hard, I still don't get much more force out of clamping the QR. I can still spin the QR on the axle when it is in the closed position, I couldn't do that before.
    First thing I thought of was the TA conversion hub caps, but they all seem fine. The hub is Specialized Roval Control SL, TA is Rock Shox that came with the bike/fork.

    Edit: solved. There is a small Allen bolt in the axle that tightens it up.
    Last edited by ewarnerusa; 06-10-2013 at 06:59 PM.

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