Shimano Ultegra Di2 ST-R8170 Hydraulic Disc Brake Dual Control Lever 2x12-speed

Shimano Ultegra Di2 ST-R8170 Hydraulic Disc Brake Dual Control Lever 2x12-speed

Clean Cockpit: Wireless connection enhances the aerodynamic effect and easy maintenance

High electronic energy efficiency

1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries

Weight: 391g (pair)