I should go to 10 speed at some point, and those are all 8/9 I think (74XX, 65XX).
10-speed cassettes fit 8/9 speed hubs in Shimanoworld. Just need a 1mm spacer under the cassette for most 10-speed because the spider/sprocket carrier is dished.
@gbj_tester started
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10-speed cassettes fit 8/9 speed hubs in Shimanoworld. Just need a 1mm spacer under the cassette for most 10-speed because the spider/sprocket carrier is dished.