Ultegra ST-R8170 Di2 12-Speed Shift/Brake System

Getting us up to speed and back to a halt very quickly is the Shimano Ultegra ST-R8170 Di2 Shift/Brake System. This combo system includes light and responsive flat-mount calipers with an accurate wireless Di2 drivetrain. The hoods on the shifters have been made to be even more aerodynamic to quickly cut through the wind.

Details

• Wireless Di2 shifters with hydraulic brakes and calipers
• Aluminum brake and caliper construction keeps weight low
• Aerodynamic levers thanks to wireless tech
• Flat-mount brakes stop consistently and quickly
• Item #SHIU1FA