AFAIK, all screw on hubs and freewheels made in the last 40 years are interchangeable. Certainly mainstream brands like Campag and Regina will fit, unless you are talking about some ancient antique.
@yoav started
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AFAIK, all screw on hubs and freewheels made in the last 40 years are interchangeable. Certainly mainstream brands like Campag and Regina will fit, unless you are talking about some ancient antique.