Shimano Ultegra FC-R8100 Crankset - 160mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK 2x9 speed }Park Tool TNS-4 Threadless Nut

}Park Tool TNS-4 Threadless Nut Setter for 1" and 1-1/8"

5mm inner width) with a tubeless ready profile

and Pro BB Inserts: Shim

Rear Axle Type Standard QR Rear Hub Spacing (mm) 130-135 Cassette Body Type Shimano HG 11/12-Speed Road Material Steel keyword search flash

Shimano Ultegra FC-R8100 Crankset - 160mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK 2x9 speed }Park Tool TNS-4 Threadless NutAn 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