BB BOTTOM BRACKET SHIMANO PRESS FIT SM BB72-41 / BB86 PressFit ULTEGRA - SM-BB72-41B

Shimano bottom bracket SM-BB71/BB72-41B - Press Fit and Hollowtech II Complete Ultegra level press-fit bottom bracket assembly for Shimano HollowTech II road cranks. Easy press-fit installation. Shimano SM-BB71/BB72-41B is a press fit bottom bracket for the installation of a Hollowtech II compatible crank into a road frame with 86.5 mm case width. Per usual with Hollowtech II, the bearings have a diameter of 24 mm, as this gives the best combination of rotational efficiency, stiffness, load capacity, tightness and weight even with press fit bearings. Specifications: Application: Road, Cyclocross Type: Press Fit BB86 Shell Diameter: 41 mm Shell Width: 86.5 mm Axle Diameter: 24 mm (Hollowtech II)