Shimano XT MT801 Bottom Bracket (Threaded 68/73mm) trp CNC'd polished lever body

CNC'd polished lever body

Protective lip to protect hand from clamp bolt

there is more range than ever before to tune the ride qualities exactly how you want with different pad materials

while new low viscosity mineral oil keeps power consistent over a wider range of temperatures

Shimano XT MT801 Bottom Bracket (Threaded 68/73mm) trp CNC'd polished lever bodyXT has gone 11 and 12 speed, and the new Shimano XT Cranksets are spinning on XTR Dura ace inspired bottom brackets. They have a smaller bearing size to enhance rolling efficiency and for shaving some weight. They are also better sealed to reject whatever muck mother earth conjures up and tries throw at them. SHIMANO XT BB MT801 BOTTOM BRACKET Small Ball Bearings for Better Rotation Better Sealing Fits threaded 68 73mm BB Shells Weight: 84 grams