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Old 05-01-06, 04:38 PM   #1
ElJamoquio
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Cassette has too much play

I just received a built up wheel with a Powertap hub.

I tried to put my own (Ultegra 10-speed) cassette on it, but when I tighten down the lockring, there's still too much space between the last gear and the base of the hub, so the whole cassette doesn't tighten down.

This isn't a torque problem - even when torqued down appropriately, there's about .020" (about half a millimeter) too much space between the hub shoulder and the smallest gear.

What gives? Am I missing a shim? The hub just isn't compatible? Something else?
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Old 05-01-06, 06:32 PM   #2
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You need that ever so small spacer for a 10-speed cassette to fit an 8/9 freehub.
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Old 05-01-06, 07:07 PM   #3
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Quote:
Originally Posted by DieselDan
You need that ever so small spacer for a 10-speed cassette to fit an 8/9 freehub.
Thanks!

Now where to get it? Before I posted, I searched Nashbar for 'spacer' and couldn't find it. After you mentioned this, I searched both Nashbar and Performance for 'spacer' and 'shim' - no dice. Any recommendations?

Does the shim go between the hub and cassette (i.e., on the wheel side)? I could make one at work...
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Old 05-01-06, 07:50 PM   #4
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I believe the shim comes with 10-speed cassettes. Try an LBS to see if they have an extra one lying around from a cassette replacement job.
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Old 05-02-06, 07:48 PM   #5
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Originally Posted by ElJamoquio
Thanks!

Now where to get it? Before I posted, I searched Nashbar for 'spacer' and couldn't find it. After you mentioned this, I searched both Nashbar and Performance for 'spacer' and 'shim' - no dice. Any recommendations?

Does the shim go between the hub and cassette (i.e., on the wheel side)? I could make one at work...
The spacer goes on first, then install the cassette. I know it is availabe through a wholesale company that a good LBS can order from.
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