SHIMANO Ultegra Di2 R8170 Hydraulic Disc Brake/Shift Lever Kit Black Flat Mount Caliper Included Electronic Wireless

The control center for Shimano's 12-speed road shifting system, the Shimano Ultegra Di2 R8170 Hydraulic Disc Brake/Shift Lever Kit brings new shifter ergonomics to Di2 along with wireless electronic shifting. Coupled with Servo-Wave brake lever action and Shimano's simple bleeding process – you get excellent braking performance along with the latest in shifting technology. 
Note: This product is a shifter and brake caliper only (sold per side). Complete bicycle pictures are included for illustrative purposes only.

Clean Cockpit: Wireless connection enhances the aerodynamic effect and easy maintenance
Unparalleled ergonomics engineering refined with pros' feedback
Raised hood peak improves ergonomics
Optimized brake control: Lighter, smoother lever action and enhanced modulation thanks to an expanded braking control area
Compatible with wireless or wired connection
Works with add-on satellite shifters
High electronic energy efficiency: 1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries
Maintenance-friendly bleeding process
Front caliper is compatible with 160mm rotors

Shifter Style: Lever (Road)
Speed: 2 x 12 Speed
Derailleur Compatibility: Shimano Di2
Shift Mechanism: Electronic (Semi-Wireless)
Adjustable Reach: Yes
Brake Type: Hydraulic
Brake Fluid: Mineral Oil
Brake Mount: Flat Mount
Brake Pads: Organic/Resin
Hose Length: 1000mm (Front), 1700mm (Rear)
Color: Black
Weight: 391g (Shifter Pair), 146g (Front Brake Caliper), 136g (Rear Brake Caliper)
Includes:

R8170 Shift/Brake Lever
Disc Brake Caliper
Pre-bled housing
Check out our full selection of Shimano Ultegra 12 Speed Di2 Parts.

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.