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  1. #1
    Junior Member Guillermo's Avatar
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    rear wheel, chainstay seriously bumming me out

    If I don't cinch down the rear QR as tight as I can, the rear wheel will drift into the left chainstay before I can even clip in. I know I'm not suppose to be tightening the QR that much either, but if I do, it will behave itself. The wheel isn't terribly out of true, and I don't think anything's out of whack on the frame either. I can line up the wheel perfectly in between the stays, lock it down with the QR, but as soon as I go it drifts on me.

    Additionally, now even when it doesn't contact the stay, I feel like the wheel is "dragging" itself on something: slowing itself down. I guess I feel like there's a little friction still, but not sure of the source.

    Help me

    Dax

  2. #2
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    Is the axel too long and sticking out beyond the drpout?Did you mess with the hub and maybe put the outer locknut on wrong? You are using a skewer that gets a good grip and not some POS. Could the skewer be at fault

  3. #3
    Canadian eh?
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    road bike or mountain bike.. road bikes have two screws that you can use to adjust the "centerness" of the wheel. The axle may be shot though (thats just a guess)

  4. #4
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    Are the dropouts vertical or horizontal ?

  5. #5
    Junior Member Guillermo's Avatar
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    road bike, horizontal dropouts, mavic wheelset, with mavic QR. I got this excerpt from a site:

    "With horizontal dropouts, it is possible to mis-align the wheel in the frame if it is installed carelessly. The axle nuts or quick-release must be tightened quite securely, or the chain tension may pull the axle askew."

    This is what's happening, I'm almost certain. It is possible then that I need to tighten the quick release very tightly? I remember reading somewhere that excessive tension could cause damage.

    EDIT: when I secure the wheel, I can center it just right, but as soon as I get going, I believe the chain tension is causing the wheel to twist. The problem does go away when the QR is very tight - is this necessary?

    Dax

  6. #6
    Canadian eh?
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    like i said.. maybe the skewer or something on it is shot

  7. #7
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    Put the wheel in without a skewer and make sure the axle does not extend beyond the dropouts.
    A QR skewer should be tight enough, but you dont need to force it. Have you used them before ? For my first QRs I got the bike shop to show me how much force is required.
    Last edited by MichaelW; 07-27-02 at 07:27 PM.

  8. #8
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    You may have a skewer that is not getting a good enough grip.Mavic skewers work ok on my semiverticals,but have not tried them on horizontal.Rule of thumb is to use palm pressure and have the lever make a good impresion on the palm when closing.

  9. #9
    Senior Member mechBgon's Avatar
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    Also, if the axle has done this a few times (sounds like it has), it's possible that it's worn a groove that helps it slip. My old Fuji had that unfortunate problem after I yanked the rear wheel forward on the drive side a few times, and I ended up having a framebuilder buddy stick some vertical dropouts on it. Some locknuts with fresh, sharp teeth and good skewers may be enough... good luck.

  10. #10
    NOT a weight weenie Hunter's Avatar
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    What you could try is some BMX chain tensioner's. They work great.

  11. #11
    Senior Member pat5319's Avatar
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    Check the alignment of your dropouts, theyr'e probably not parallel to each other. It does take some special tools.

    Ride Wright
    Pat
    Pat5319


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