BSA Cush Drive Nut Lock Washer B31 B32 B33 B34 M20 M21 Gold Star 65-2521

  • Sale
  • Regular price £2.50
  • 4 available


Stops the Cush Drive/Sprocket nut coming loose and cutting a hole in the outer primary cover

Fitted to:

Rigid & Plunger framed BSA B & M Group models from 49-on.
B31, B32, B33, B34, M20, M21 Gold Star etc.