Originally Posted by
dddd
Of course some folks put English freewheels on French-threaded hubs, and many do get away with it.

Originally Posted by
3alarmer
...some reference I read once (Sutherland's maybe ?) called this a "Class 2" fit. which I interpreted as "works, mostly, but is kinda declasse'."
Actually, Sutherland's calls it a class "C" fit: "difference in thread pitch makes this combination unacceptable."
Source: Sutherland's 4th Edition