Shimano XTR M93 Bottom Bracket set is strong and smooth. This English-threaded BB is incredibly light, sealed for mucky conditions, and spins freely for top performance.

Features

• Set includes left and right hand cups, spacers, inner cover, and inner O-rings
• 68mm or 73mm compatible
• Durable black anodised finish
• Maintenance Free
• Thread Type: English
• Compatible with all Shimano Hollowtech II MTB crank sets