The 105 series contains important trickle-down technology from Shimano's higher tier Ultegra and Dura-Ace components.
The Shimano BBR60 Bottom Bracket contains reliable Shimano bearings and seals that give this bracket a long service life.
- Reliable bearings and seals, resulting in increased service life
- Reduced size for lightweight
- Less friction than other models
Specifications
Weight: 77g
Spindle Interface Type: Hollowtech II
BB Shell Width: 68mm