• A bottom brackets (or BB) generally consist of a spindle, cups and bearings; they connect the bike’s cranks to its frame and allow them to rotate.
  • Prices do not include postage, contact me if you’re interested.
  • More in stock, just ask if you can’t see what you’re looking for or are unsure – see also Sheldon Brown info.
  • All the BBs here are English threaded JIS square taper fitment, in very good used condition unless stated otherwise, and are listed in order of price – high to low.