Transmits interactive signals and power to each electronic component through a "plug & gap" connection Compact, weatherproof connector Easy to route through the frame
Ultegra/105 level Hollowtech II bottom bracket set
Shimano, SM-BBR60, Hollowtech II Bottom Bracket Set, BSA, 68mm, 24mm, Grey, ISMBBR60B
Compatible with all Hollowtech II road cranksets