Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 50/34t Hollowtech II Spindle Interface BLK Platform-NightShift }SRAM Code Silver Stealth Disc

}SRAM Code Silver Stealth Disc Brake and Lever - Front Post Mount 4-Piston Forged Aluminum Lever SS Hardware Black C1

Brake Type None Color Matte Black Defined Color Black Front Axle Type 3/8" Material Chromoly Steel Offset (mm) 28 Steer Tube Diameter 1-1/8" Steerer Tube Material Steel Wheel Size 20"

Same features as the 40-Series headsets with simpler machining and more economical materials

Powder free

Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 50/34t Hollowtech II Spindle Interface BLK Platform-NightShift }SRAM Code Silver Stealth DiscShimano Ultegra FC R8100 Crankset 172. 5mm 12 Speed 50 34t Hollowtech II Spindle Interface Black. An integral part of the Shimano Ultegra 12 speed road lineup the FC R8100 crankset builds upon Shimanos 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