SHIMANO ULTEGRA FC-R8100 170mm 46×36T Crankset IFCR8100CX66

■ 2x12 speed crank set for the ROAD COMPO [ULTEGRA] series. ■Optimizes all aspects of stiffness, strength, weight, and rotational performance. ■ The hollow glide structure reduces weight while maintaining strength, and realizes better power transfer and faster and more accurate front shifting. ■Compatible with 12 speeds for the front double and rear. ※The bottom bracket is sold separately. FC-R8100 46-36T Specifications ■ Dimensions: 46/36T ■ Crank length: 160, 165, 170, 172.5, 175 mm ■ Compatible chain: HG 12-speed ■ PCD: 110mm ■ Chain line: 44.5 mm ■ Q factor: 148 mm ■ Axle type: 24 mm ■ Recommended BB: SM-BBR60, SM-BB72-41B ■ Compatible BB: 68 mm, 70 mm

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