Shimano XTR SM-BB93 English Bottom Bracket - Black

Shimano XTR SM-BB93 English Bottom Bracket - Black

• Material: aluminum, steel
• Shell Width: 68 mm 73 mm
• Threading: english
• Axle Type: 24mm
• Recommended Use: cycling

In the world of Shimano, the letters XTR stand for the best of the best. The English-threaded M-BB93 bottom Bracket is exactly that. It's tough, extremely lightweight, and sealed to keep out dirt in the worst riding conditions imaginable. The M-BB93 fits 24mm crank spindles and is compatible with both 68mm and 73mm bottom bracket shells.