Get that sticky bottom bracket replaced, with a quality Shimano XT one. Improved seals keep dirt and water out of the bearings to keep your crank spinning for a long time.
- Small ball bearings are fitted into aluminum cups to provide a smooth rotation
- Fits 68mm and 73mm bottom bracket shells
- Includes left and right bottom bracket cups
- (B.C.1.37in. x 24T) English Thread