I ordered a Gusset converter set (the blasphemy!) which should work with 9/10spd Campa, but can't get the lockring on (the 10spd hub), even though both thread on hub as well as lockring look fine?
Are you trying to put a Shimano lockring on a Campag freehub?
Are you trying to put a Shimano lockring on a Campag freehub?