Said 12s won't be from Shimano though, they only go up to 11 with HG, 12 is microspline.
Not all. Road 12s fits on 11s freehubs. Microspline for MTB tho.
@snottyotter started
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Said 12s won't be from Shimano though, they only go up to 11 with HG, 12 is microspline.