Shimano Ultegra FC-R8100 12 Speed Crankset Box Pack Together with a Thomson stem

Together with a Thomson stem

Taking inspiration from the Venturi effect

10/11/12spd compatible

11-speed SIS compatible

Shimano Ultegra FC-R8100 12 Speed Crankset Box Pack Together with a Thomson stemUltegra's FC R8100 12 Speed Crankset maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but now with even more crank arm length options. Spanning 160 to 175 mm, it caters to smaller riders, triathletes and cyclists curious about shorter crank arms. An integral part of Shimano's 12 speed road lineup, the FC R8100 builds upon Shimano's legendary front shifting and transmission