Feature

●■ 2x12 speed crankset from the ROAD Compo "ULTEGRA" series. ■Optimized for rigidity, strength, weight, and rotational performance. ■Hollow Glide construction maintains strength while reducing weight for better power transfer and faster precise front shifting. ■ Front double and rear 12 speeds. Bottom brackets sold separately. FC-R8100 46-36T specifications; Number of teeth configuration: 46/36T; Crank length: 6.3, 6.5, 6.7, 6.9 inches (160, 165, 170, 172.5, 175 mm); Compatible chain: HG 12-speed, PCD: 4.5 mm. Recommended BB: SM-BBR60, SM-BB72-41B; Compatible BB Ciel Width: 2.7 inches (68 mm), 2.8 inches (70 mm)


Description

■ 2x12 speed crankset from the ROAD Compo "ULTEGRA" series. ■Optimized for rigidity, strength, weight, and rotational performance. ■Hollow Glide construction maintains strength while reducing weight for better power transfer and faster precise front shifting. ■ Front double and rear 12 speeds. Bottom brackets sold separately. FC-R8100 46-36T specifications; Number of teeth configuration: 46/36T; Crank length: 6.3, 6.5, 6.7, 6.9 inches (160, 165, 170, 172.5, 175 mm); Compatible chain: HG 12-speed, PCD: 4.5 mm. Recommended BB: SM-BBR60, SM-BB72-41B; Compatible BB Ciel Width: 2.7 inches (68 mm), 2.8 inches (70 mm).