Anyone got a decent rear brake hub, for m21, I'm also trying to identify, the thread size for the three, retaining bolts, any help much appreciated
You posted in 'Wanted' for a M21 rear mudguard which I answered by asking for which frame (Plunger or Rigid)? You haven't answered that question and now as the rear hubs are different between both types of frame, please specify. HTH
https://www.bsaownersclub.co.uk/bsaoc_forum/index.php?topic=16549.0
Sorry, yes just to clarify, it's a rigid frame , thank you