• Hard to say wyhout seeing the spline but that looks like an Ultra-Drive cassette, which fits all Campag splines, according to this thread:

    https://www.lfgss.com/conversations/174992/

    I've got a pair of C-Record era Chorus Exa-Drive 8-speed hubs in very nice condition, with smooth bearings and freehub. 36h front and 32h rear (this seems to have been a common setup at the time, no idea why). I have a complete c.1993 group and was planning to use the hubs to build an 8-speed bike on a yet-to-be-bought frame, but have an N+1 problem, so could be persuaded to part with them for a decent offer via PM.

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