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Cassette Wobble

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Old 02-23-06, 08:19 PM
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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. It’s got this slight hula wobble in the cassette. It’s only noticeable when the wheel is freewheeling and the cassette is stationary. I’d estimate the wobble to be between 0.020” and 0.030”.

Shifting seems fine. Is this a problem?
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Old 02-23-06, 08:21 PM
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If the shifting works well, it's more of an aesthetic problem than a technical one.
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Old 02-23-06, 08:57 PM
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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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Old 02-23-06, 09:01 PM
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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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Old 02-23-06, 10:05 PM
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0.030" is pretty good for shimano! I take every chance to bust on shimano.
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Old 02-24-06, 06:23 AM
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Please see this thread: https://www.bikeforums.net/classic-vintage/175006-freewheel-wobble.html 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.
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Old 02-24-06, 07:13 AM
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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.
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Old 02-24-06, 03:49 PM
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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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Old 02-24-06, 04:03 PM
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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!
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Old 02-24-06, 04:42 PM
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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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