Shimano Ultegra FC-R8100 Crankset - 160mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK Cogs-10-11-12-13-14-15-16-17-19-21-23-25 Model Standard Material Butyl Tire

Model Standard Material Butyl Tire Size 26" Tire Width 4

45mm to 51mm

} Power meter is fully integrated into the chainring for lighter weight and greater accuracy Power readings are accurate within +/-1

5 540 575 163 408 73

Internal gear hub system compatible

Shimano Ultegra FC-R8100 Crankset - 160mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK Cogs-10-11-12-13-14-15-16-17-19-21-23-25 Model Standard Material Butyl TireAn integral part of the Shimano Ultegra 12 speed road lineup the FC R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12 speed shifting the Ultegra crank is now offered in a wide variety of lengths bringing performance and improved fit for smaller riders triathletes and riders with specific biomechanic requirements. Optimal balance of stiffness strength weight and rotational