Shimano Deore XT BB-MT801 Bottom Bracket - English (BSA) | 68/73mm Shifters For any rider running hydraulic

For any rider running hydraulic disc brakes

and a double seal system for long-term reliability

Its thicker viscosity clings to chain links and rollers through rain

The low-profile shape keeps the bag tucked inside the triangle without creating a bulky drag point or clashing with bottle cage positioning

Completely rebuildable

Shimano Deore XT BB-MT801 Bottom Bracket - English (BSA) | 68/73mm Shifters For any rider running hydraulicWhy Do XT Riders Choose the Shimano BB MT801 Bottom Bracket? The Shimano Deore XT BB MT801 is the threaded English bottom bracket engineered specifically for Deore XT M8000 and M8100 Hollowtech II cranksets, using high quality sealed bearings positioned outboard of the frame shell per the Hollowtech II standard. The outboard bearing position maximizes the effective bearing span, improving lateral stiffness and distributing pedaling loads more