Brake shoes Relined in TVS AF21 friction material to fit the following BSA models :

A7 – 500cc – 1946/49 – Front or Rear
B31 – 350cc – 1949/55 – Front or Rear
B34 – 500cc – 1950/57 – Front or Rear
M20, M21, M33 – 500cc – 1950/55 – Front or Rear
B32 – 350cc – 1956/60 – Rear
B34 – 500cc – 1956/60 – Rear

Diameter – 7”
Width – 1 & 1/8”
Material Thickness – 5/32”

BSA brake shoe part number – 65/5901

These brake shoes do fit numerous other models of BSA… E mail for confirmation of fitment.