
Shimano Ultegra ST-R8170 Di2 Shift/Brake Lever Set – Left Lever & Hydraulic Disc Caliper, 2×12-Speed Flat Mount Black
$536.99 Original price was: $536.99.$111.30Current price is: $111.30.
Description
Shimano Ultegra ST-R8170 Di2 Shifter & Brake Set – Precision Redefined
Experience next-level cycling performance with Shimano’s Ultegra ST-R8170 Di2 shifter and BR-R8170 caliper set, engineered for 12-speed drivetrains. Designed for road cyclists and competitive riders, this wireless electronic groupset delivers unmatched control, efficiency, and aerodynamics.
Key Features
- Wireless Shifting & Customization – Seamlessly connect via Shimano’s E-Tube Project app to fine-tune shifting preferences for your riding style.
- Long-Lasting Efficiency – Enjoy up to 2 years of battery life, reducing maintenance hassles on long rides.
- Pro-Level Ergonomics – Refined with pro rider feedback, the raised hood peak and optimized lever shape ensure superior comfort during endurance rides.
- Enhanced Braking Performance – Smoother lever action, improved modulation, and 10% wider pad clearance minimize brake noise while maximizing stopping power.
- Dual Connectivity – Works flawlessly with both wireless and wired setups for versatile compatibility.
Why Choose Ultegra Di2?
Feature | Ultegra ST-R8170 Di2 | Competing Mechanical Shifters |
---|---|---|
Shifting Speed | Instant electronic shifts | Slower manual shifts |
Maintenance | Minimal (no cable wear) | Frequent adjustments needed |
Customization | App-programmable | Fixed settings |
Battery Life | 1.5–2 years | N/A (mechanical) |
Ideal for road racers, gran fondo enthusiasts, and performance-focused cyclists, this groupset ensures precision shifting and reliable braking in all conditions—whether climbing steep gradients or sprinting on flats. Upgrade to Shimano’s electronic advantage and ride with confidence.
Compatibility: 12-speed Shimano drivetrains | Mount: Bar clamp | Pad Material: L03A resin with cooling fins