Shimano Ultegra SM-BBR60 Bottom Bracket Bike Computers The 100mm shell is a

The 100mm shell is a specialized specification

it delivers the precise index shifting performance Shimano is known for in a tough

so you are not locked into a single ecosystem

it's one of the most capable clipless pedals at this price point

The Continental Sprinter Tubular is a race-proven tubular tire built for the toughest roads in cycling

Shimano Ultegra SM-BBR60 Bottom Bracket Bike Computers The 100mm shell is aWhat 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