• Just tried transferring a 9spd cassette over from a mid 2010s spesh hardrock on to a much older hope splined free hub. Issue is there is now a fair bit of play, both lateral (I missed out the plastic washer closest to the wheel, doh) and rotational. The latter bit suggests to me that the splines on the freehub are smaller than the corresponding indents on the cassette rings. I thought most hubs from 90’s to mid 2010s were hyper glide and therefore all compatible? Good excuse to get a new cassette, but is there a particular standard of cassette I should get to match up with my existing freehub body? TVM

  • There's often rotational play but once you sort the lateral, the lockring will hold everything solid and it will sit flush up against the splines as you only ever put force through the cassette in one direction.

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