Shimano Ultegra HollowTech II Bottom Bracket – BB-R60
Shimano Ultegra HollowTech II Bottom Bracket – BB-R60 – English
Shimano Ultegra BB Cups – HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency.
HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability.
Compatible with any Shimano Hollowtech II 24mm Road Bike chainset.
English Thread 68mm Shell or Italian Thread 73mm shell
