SHIMANO XTR BB93 Threaded Bottom Bracket 68/73 mm shell widthWith 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. MODEL NO : SM BB93 SERIES : SHIMANO XTR M9000 Series Average weight : 73 HOLLOWTECH II bottom bracket Threaded bottom bracket type : Yes Small ball bearing : Yes Threaded bottom bracket shell width (mm) 68 : Yes Threaded bottom bracket shell width (mm)73 : Yes

Yes CLAMP INCLUDED

Shimano's SPD-SL pedal system for road bikes is designed for maximum power transfer

giving users the ability to scroll three gears in one stroke

By combining trickle down technology with a greater accessibility

Rear speeds                    : 11

Increased shifting efficiency and light operation force

Optimized lever axle position

Teeth：11-34T

The Shimano SHADOW RD low-profile design increases shift stability and reduces crash vulnerability while providing a sleek integrated appearance

SERIES                             : SHIMANO XTR M9000 Series

)   : 61-66

Pulley_Sunken type pulley bolt: ✔