BBRKT Ultegra - 105 IT cups

Imposte incluse.

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
For use with Ultegra - 105 - CX70 chainwheels