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 BB Included No Chainline/Hub Compatibility 130 Hubs Chainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm Chainstay Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Chainring BCD 110 Shimano Asymmetric Color Black Crank Intended Use Road Crank Length (mm) 172.5 Defined Color Black Drivetrain Speeds 11 Number of Chainrings Double Pedal Spindle 9/16' Rings 50/34 Spindle Interface Type Shimano Hollowtech II Weight 674
Shimano Ultegra FC-08 2x 11-Speed Crankset Crankset UPC: 192790746975
