Originally Posted by
Sharkbait
Haha! That's right Repechage. I'll have hunt around for something similiar in the UK. Many thanks for all your advice everyone. This has been really, really helpfull

One other item to reference. As this is a French bike with date unknown, the freewheel and existing hub may be French threaded, French threaded freewheels on an English or ISO threaded hub are not happy.