I have an Airlite hub that I'm trying to find a freewheel for but nothing has worked. A local mechanic had a lockring that he said was English threaded which threads on fine. I've tried to install a Regina Extra Oro 5 spd which was sold to me as an English threaded unit, no luck. The freewheel has F1 stamped on the back which, I've been told, indicates English threads. I've also been told that the presence of one groove on the freewheel back indicates English while two are French and no grooves indicate Italian threads. So, by that information I have 2 English and one Italian threaded freewheel, none of which work on the hub. The hub threads look good. What's up?
Paul Patzkowsky
Longmont, Colorado