Shimano Ultegra ST-R8170 Di2 Dual Control Shift/Brake Lever
With all-new ergonomics, even more precise brake modulation and wireless electronic shifting, the redesigned Shimano Ultegra ST-R8170 Di2 Dual Control Levers let you focus on enjoying your ride.




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- Raised hood peaks improve ergonomics; ergonomic engineering refined with pros' feedback
- Employing proven SERVO WAVE technology, the brake levers bring lighter, smoother action plus enhanced modulation and control to every ride
- Di2 platform, used on both Dura-Ace and Ultegra, untethers the shifters while delivering the fastest, most reliable wireless shifting from Shimano
- Wireless connection keeps things clean, enhances the aerodynamic effect and easy maintenance
- Compatible with wired and wireless connection
- Available to additional satellite shifters
- High electronic energy efficiency: 1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries
Imported.
View the Shimano Di2 Product LineView all Shimano Bike ShiftersBest Use | Road Cycling |
---|---|
Shifter Type | Integrated Brake |
Shifter Position | Left: Left |
Shifter Actuation | Electronic |
Shifter Connectivity | Wireless |
Speeds | Left: Not Applicable |
Number of Chainrings | Left: 2 Chainrings |
Brake Type | Hydraulic Disc Brake |
Weight | 147.5 grams |