Originally Posted by spasticrobot
I was very careful to keep all of the cassette parts in order and am quite sure I didn't leave anything out. That being said there wasn't a spacer between the cassette and hub on the original wheel. I'm beginning to think this may be the problem.
edit: This is definitely the problem. I just put the cassette back on the original wheel and it's sitting tight. I guess I need to put a spacer on the new wheel. Can anyone tell me if this will mess up my rear derailleur's indexing?
I can't imagine your derailleur was indexing well with a cassette that was loose. If it somehow was, yeah, you'll need to readjust.
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