Shimano Ultegra FC-08 Crankset – 175mm 11-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface Black. An integral part of Shimanos 11-speed road lineup the Ultegra FC-08 crank builds upon Shimanos 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 bikes weight but decreases rotating mass to aid in acceleration
Hollowtech technology reduces weight without reducing the cranks strength and rigidity
Outer rings Hollowglide technology cuts down on weight yet maintains strength for better power transfer and quicker and more precise shifting
