- 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
- Axles Standard24mm
- Bottom Bracket TypeBSA Threaded
- ColourBlack
- DisciplineRoad
- Product TypeBottom Brackets
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