Shimano Ultegra FC-R8100 Crankset - 165mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK MFPN=200805100-M/L 5 Primary Color Black Color

5 Primary Color Black Color Matte Black Wheel Diameter 20

Graphene rubber compounds

Takes skis from 150 cm to 210 cm

AxCad system provides no-magnet cadence data

You may need to change the front gearing so the rear derailleurs capacity is not exceeded

Shimano Ultegra FC-R8100 Crankset - 165mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK MFPN=200805100-M/L 5 Primary Color Black ColorAn 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