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Thread: Cassette Wobble

  1. #1
    On Two Wheels sam83's Avatar
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    Cassette Wobble

    So my friend brings over his new Ultegra 30-speed Windsor Knight with ShimanoWH-500 wheels to check out. Its got this slight hula wobble in the cassette. Its only noticeable when the wheel is freewheeling and the cassette is stationary. Id estimate the wobble to be between 0.020 and 0.030.

    Shifting seems fine. Is this a problem?

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    If the shifting works well, it's more of an aesthetic problem than a technical one.

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    Yeah, some perfectly good freehubs do the dance. I think its caused by the freehub not being perfectly centered(concentric to the axle).

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    It's pretty common. Mine does the same. XT Casette on Deore hub.

    Nothing to worry about

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    0.030" is pretty good for shimano! I take every chance to bust on shimano.

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    Please see this thread: Freewheel Wobble I had posted under Classic and Vintage because that's what the bike is where I noticed the problem. The equipment is a little different (casette vs freewheel), but the symptom seems to be the same.

  7. #7
    Senior Member DieselDan's Avatar
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    More then pretty common. All freewheels and freehubs have a slight wobble as you describe. If not, then it doesn't freewheel.
    Bikes use brakes to stop.

    If your bike has breaks, don't ride it.

  8. #8
    On Two Wheels sam83's Avatar
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    Thanks for the replies!

    I told him if he didn't like to see the wobble, then don't look.

    Just Ride!

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    Quote Originally Posted by mcoine
    0.030" is pretty good for shimano! I take every chance to bust on shimano.
    That's because it's hard to measure .030" when your micrometer is metric!

  10. #10
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    Quote Originally Posted by bikemeister
    That's because it's hard to measure .030" when your micrometer is metric!

    pretty sure thats 0.762mm

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