• Shimano, SM-BB93, Hollowtech II Bottom Bracket, BSA, 68/E/73mm, 24mm, Silver, ISMBB93B
• Compatible with all mountain Hollowtech II cranks
• Shimano, SM-BB93, Hollowtech II Bottom Bracket, BSA, 68/E/73mm, 24mm, Silver, ISMBB93B
• Compatible with all mountain Hollowtech II cranks