Wolf Tooth MK0 Bottom Bracket – English (BSA), 68/73mm, For 29mm Spindle,
MK0 components are proudly machined at Wolf Tooth HQ in Minnesota, USA. Wolf Tooth MK0 Bottom Bracket – English (BSA), 68/73mm, For 29mm Spindle, Shadow Gray. MPN: WBB-BSA-29-MK0-SGR – Wolf Tooth – MK0 English (BSA) Ceramic Bottom Bracket – Bottom Brackets.