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.




This item pays for membership!
$46
10% Reward
on this and every eligible full-price item*
+
$30
Bonus Card
valid for 30 days after joining*
=
$76
Value
Keep shopping
- 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 Shifters| Best 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 |
Need help choosing gear?
Be the first to write a review!
Adding a review will require a valid email for verification




