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Fits standard 3-bolt road shoe cleat mounts on any 9/16-inch threaded crank
so you are not locked into a single ecosystem
it delivers the precise index shifting performance Shimano is known for in a tough
The bell tone hangs below the bar and produces a clear
Shimano Ultegra SM-BBR60 Bottom Bracket Bike Computers Fits standard 3-bolt road shoeWhat Makes the Shimano SM BBR60 the Standard Road Threaded BB? The Shimano SM BBR60 is the Ultegra spec threaded bottom bracket for standard English 68mm and Italian 70mm road frames, built on the Hollowtech II outboard bearing platform that underpins all modern Shimano road cranksets. Reliable Shimano bearings and seals deliver consistent smooth rotation with a long service life the defining characteristic of the BBR60 is its durability rather than
