Shimano SM-BB72 Bottom Bracket Press-Fit Road 41mm

Ultegra level bottom bracket for Shimano Hollowtech II cranksets in press-fit bottom bracket shells.With reliable Shimano bearings and seals, the Shimano Ultegra bottom bracket has a long service life.

Optimum power transfer

Lightweight maintains efficiency

14 g lighter weight and half the friction of the SM-BB6700, while maintaining the same durability

86.5 mm shell width