Originally Posted by timcupery
Thanks for checking. If Kyseriums can take 8/9/10 without a spacer, then Shimano freehubs should be able to do the same. Is the rep paid by Shimano to uphold the you-need-all-new-drivetrain-components line?
I thought you needed a spacer for a 8s cassette on the newer Ksyriums. Maybe I'm wrong though. You don't need a spacer for 10s on them, and I'm fairly sure that 9s went on without one too.