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
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.
A perfect companion to the SHIMANO 105 R7000 groupset, the R7000 cassette is available in a wide range of road and mixed surface ratios. It is compatible with HG-EV and HG-X11 chains.
