Shimano Ultegra FC-08 Crankset - 170mm, 11-Speed, 52/36t, 110 Asymmetric BCD, Hollowtech II Spindle Interface, Black Stem Double X bridge shape with

Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting

Product ID

and foot alignment

CRR SL - 2011-2012

and Tiagra ST-4700 levers only

Shimano Ultegra FC-08 Crankset - 170mm, 11-Speed, 52/36t, 110 Asymmetric BCD, Hollowtech II Spindle Interface, Black Stem Double X bridge shape withAn integral part of Shimano's 11 speed road lineup, the Ultegra FC 08 crank builds upon Shimano's legendary front shifting and transmission efficiency. This crank is designed to provide stiffness, strength, weight savings, and rotational performance. Hollowtech hollow forged crank arms not only the bike's weight, but decreases rotating mass to aid in acceleration Hollowtech technology reduces weight without reducing the crank's strength and rigidity