Originally Posted by
peterw_diy
A 7s hub will only fit a full cluster 7s or less. You can fit 7 cogs of an 8s etc. but not a full 8+s cassette. If you're relying on a LBS and that one seriously tried to mount a full 8s cassette on a 126mm 7s freehub, run away .
Maybe they should run away from me (: I am inexperienced and I like to experiment when trying new disciplines so I asked him to try it. I'm satisfied with ordering the 32T 7 sp. cassette. But I am researching lightweight steel bikes that I can upgrade. I love the new carbon bikes but the long life of steel appeals to me if I can get the performance I want through an upgrade.