Shimano XT MT801 Bottom Bracket (Threaded 68/73mm) trp 144g (190g including all 8

144g (190g including all 8 bolts)

CNC'd polished lever body

Version: EXO+

Chain connector: PowerLock®

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

Shimano XT MT801 Bottom Bracket (Threaded 68/73mm) trp 144g (190g including all 8XT 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