Shimano XT BB-MT801 68-73mm External Bottom Bracket

Premium XT bottom bracket keeps the elements out and your cranks spinning freely.

The XT BB-MT801 uses smaller ball bearings for smooth operation while durable seals keep the dirt and grime out. The BB-MT801 is compatible with Shimano Hollowtech II cranks and 68/73mm BB shells.

Features:

• Excellent seals prevent wear
• 16 notch 41mm cups
• Includes BB, spacers, inner sleeve and o-rings
• Compatible with 68 and 73mm BB shells
• For use with Shimano Hollowtech II cranksets with 24mm spindle.