The Shimano Ultegra FC-08 Crankset is a key component of Shimanos 11-speed road lineup, engineered for exceptional front shifting and efficient power transmission. Its Hollowtech hollow-forged crank arms reduce weight and rotational mass. They are very rigid, making for great acceleration. The Hollowglide outer chainring maintains structural integrity while improving power transfer and enabling quick, precise shifts. Compatible with Shimano HG-EV and HG-X11 chains, it is ready to work with your favorite setup. The Shimano Ultegra FC-08 Crankset is the driving force behind your 11-speed setup.