Shimano Ultegra FC-R8100 Crankset - 165mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK MFPN=200805100-M/L You may need to change

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

5" compound 3C MaxxGrip bead folding type tubeless color black weight 1336g

Graphene rubber compounds

Thanks to the total absence of cables the component is easy to install and simple to maintain

Shimano Ultegra FC-R8100 Crankset - 165mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK MFPN=200805100-M/L You may need to changeAn 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