Ultegra/105 level Hollowtech II bottom bracket
Shimano, SM-BBR60, Hollowtech II Bottom Bracket, BSA, 68mm, 24mm, Grey, ISMBBR60B
Compatible with all road Hollowtech II cranks
Features:
BL-M4100 with intuitive and powerful braking. Quick brake engagement with shorter free stroke and action-optimized cockpitwith high-performance brake control.
BR-MT410 with long-lasting performance and easy installation/adjustment.
The SLX BL-M7100 lever provides intuitive modulation so that you can explore your limits with confidence. The SLX M7100 caliper features lightweight braking performance and reliable stopping power in all conditions.
The Shimano livio SL-M3100 shift lever provides responsive rear shifting for 9-speed mountain bike drivetrains. The rapidfire plus lever is suited to quick shifting, giving riders the ability to downshift three gears in one stroke.
