BSA WM20 chain

[Mike Farmer]

 

Greetings. I need to purchase a new rear chain for my WM20. As its a reassembly??? of a boxabits I don't have the original to compare with. So what do I need.

Your help and advice would be appreciated.

Mike

[MALCOLM.JOHNSON]

According to Roy Bacon`s book it quotes :-  range 1945-63 0.625 x 0.4 x 0.255 inch. 94 - 98 links.

[Mike Farmer]

I
Thanks for that.

Now I have some idea

Mike