Bicycle Components & Parts

An 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. Outer ring's Hollowglide technology cuts down on weight yet maintains strength for better power transfer and quicker and more precise shifting. Compatible with Shimano HG-EV and HG-X11 chains. 43.5mm chainline / 146mm Q-factor. Asymmetrical 110 BCD. For outboard bottom brackets (sold separately). Item Specifications: Rings, 50/34, Number of.