Shimano XTR SM-BB93 Hollowtech Threaded Bottom Bracket 68/73 Shell Width Cateogry_Speed Sensor Streamlined cockpit experience

Streamlined cockpit experience

The CS Armor protects the chainstay from chain slap

covering the whole internal surface very efficiently

Freewheel type cogs 7-speed

Shimano XTR SM-BB93 Hollowtech Threaded Bottom Bracket 68/73 Shell Width Cateogry_Speed Sensor Streamlined cockpit experienceSHIMANO XTR Threaded Bottom Bracket 68 73 mm shell width SM BB93 SHIMANO XTR Bottom Bracket Threaded HOLLOWTECH II 68 73 mm shell width With smoot rotation and better sealing performance, the SHIMANO XTR bottom bracket is durable for mountain bike usage. It is available in threaded and press fit options. PRODUCT SPECIFICATIONS MODEL NO SM BB93 SERIES XTR M9000 Series Average weight 73 HOLLOWTECH II bottom bracket_Threaded bottom bracket type Small