Shimano Ultegra HollowTech II Bottom Bracket Set (BB-R60)

Outboard Bottom Bracket Bearing Cups Set.

■ 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

■ Use TLFC37 or TLFC25 in conjunction with TLFC36 adaptor tool for installation and removal

■ British Thread

■ Maintenance Free

■ Compatable with 68mm or 73mm Shell

■ Black Finish

■ Easy Installation.