Originally Posted by
bikemig
+ 1 on this but you can use a spacer so that a 7 speed cassette works on a 8-9-10 cassette hub.
That can work, but then the extra dish of the wheel goes to waste, and that bugs me. I feel like you might as well use an 8-speed cassette at that point, 8-speed shifters and other parts not being hard to find, either.