Shimano Ultegra FC-R8100 12 Speed Crankset Chainring:52/36 Speed (FD): 2x12

Speed (FD): 2x12

and the reliability to handle whatever conditions you roll into

Hand-cut cleat holes

Please note chainrings must be paired accordingly (50/37

Replacement chainring bolts for 4-arm Shimano cranksets

Shimano Ultegra FC-R8100 12 Speed Crankset Chainring:52/36 Speed (FD): 2x12Ultegra'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