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Slight axial movement of cassete. Is this normal?(5 posts)

Slight axial movement of cassete. Is this normal?Bruno S
Jul 26, 2001 8:13 AM
Yesterday I cleaned my 9-speed 12-23 cassette. After putting it back toghether I notices that it moves slightly axially (in the direction of the hub axel). Is this normal? It cannot be tightened any more.
re: Slight axial movement of cassete. Is this normal?TJeanloz
Jul 26, 2001 9:54 AM
When a wheel is 'freewheeling' the cassette will dance a little bit laterally- it is perfectly normal and more apparent on some wheels than others.
Yes and Nogrzy mnky
Jul 26, 2001 2:58 PM
Yes it's normal if the freehub portion (w/o any cogs mounted) has a tad bit of play.

No it's not normal if the cogs are moving on the freehub body. Shifting becomes a bit inconsistent also. Sometimes a ~1.1 mm spacer is used so that the locknut tightens the whole works up (w/o bottoming out on the threads). This is pretty typical when something like a MTB cogset is used on a road bike, but this doesn't appear to apply to your case. Still, it can happen.
re: Slight axial movement of cassete. Is this normal?jp2
Jul 30, 2001 5:32 AM
sometimes, if you get the lock ring ever so slightly out of alignment, this will happen. take off, reapply lock ring
I don't think so.Spoke Wrench
Jul 30, 2001 6:33 AM
If you think about it logically, your derailleur isn't going to index reliably with the cassette moving from side to side. Enough movement that you can feel is bad.

I'd be looking around your part cleaning tank for a skinny little spacer. It's pretty easy for a spacer to get stuck on a greasy cog and fall off after the cog's been cleaned.