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, these tools are not included with the item.
For use with Ultegra - 105 - CX70 chainwheels.
Axles - 24mm Standard.
Shimano Ultegra Bb-R60B Hollowtech Ii Threaded Bottom Bracket - British Thread
Phone:
08004969777
