R8100 Ultegra Crankset Length:170mm which mounts on the fork

which mounts on the fork and seat stay

Cassette Cogs: 11-13-15-17-20-23-26-30-36-43-50

take it anywhere

you won't need any adapters or tools to make them fit

R8100 Ultegra Crankset Length:170mm which mounts on the forkAn 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. FEATURES: Optimal balance of stiffness, strength, weight