Wheels Manufacturing BSA 30 Bottom Bracket - English (BSA) Frame Interface, ABEC-5 Angular Contact Bearings, For 30mm Spindle, Black!

The Wheels Manufacturing BSA 30 bottom bracket threaded to 30mm is their solution to running a 30mm spindle crankset in a BSA (English) threaded frame. This bottom bracket features high quality aluminum cups and fully serviceable bearings.