Description
Experience Exceptional Precision and Control with the Shimano Ultegra ST-R8170-RE Di2 Wireless Shift/Brake Lever – Right, 12-Speed, Black
Elevate your road cycling performance with the Shimano Ultegra ST-R8170-RE Di2 shift/brake lever, designed for serious cyclists seeking unmatched shifting accuracy and sleek aerodynamics. Crafted with advanced materials and innovative engineering, this high-performance hydraulic lever seamlessly combines cutting-edge technology with ergonomic design for a superior riding experience.
Materials & Construction:
Constructed from lightweight yet durable materials, the Shimano Ultegra ST-R8170-RE features a robust aluminum brake lever body and high-quality hydraulic components, ensuring longevity and reliable performance in various riding conditions. The matte black finish adds a sleek aesthetic, complementing any racing or endurance bike setup.
Performance & Engineering:
Powered by Shimano’s proven SERVO-WAVE technology, this lever offers consistently smooth and light brake action with enhanced modulation for precise control in sprinting, climbing, or descents. Its wireless Di2 platform untethers shifters from cables, reducing clutter and lowering maintenance needs. The lever’s hydraulic actuation provides powerful braking performance with mineral oil fluid, optimized for responsiveness and consistent stopping power, even in adverse conditions.
Components & Technology:
The Ultegra ST-R8170-RE supports 12-speed Shimano Road Di2 electronic shifting, delivering lightning-fast gear changes with reliability and precision. Its wireless connectivity allows for a clean cockpit and improved aerodynamics, making it ideal for aerodynamic bike setups. Compatibility with additional satellite shifters enables tailored shifting solutions for custom riding preferences. The lever features adjustable reach and excellent battery efficiency, with a lifespan of 1.5 to 2 years on a single CR1632 battery, reducing the hassle of frequent replacements.
Style & Use Case:
Designed for road cyclists, triathletes, and competitive racers, this right-hand lever is perfect for high-end road bikes, time trial setups, or aerodynamic race configurations. Its sleek black finish complements a range of bike styles, while the refined ergonomics-featuring a raised hood peak for enhanced grip-ensure comfort during long rides. Whether you’re racing on tarmac or training hard, the Ultegra ST-R8170-RE delivers the control and responsiveness you demand.
Innovative & Differentiating Features:
– Wireless Di2 integration offers seamless, cable-free shifting that simplifies maintenance and enhances cockpit appearance
– SERVO-WAVE technology provides superior modulation and brake feedback
– Compatible with both wireless and wired connection setups for versatile installation
– Adjustable reach for custom ergonomics tailored to rider preference
– Energy-efficient design with long battery life, minimizing downtime
– Compatible with satellite shifters for expanded capacity
Upgrade your cycling arsenal with the Shimano Ultegra ST-R8170-RE Di2 Shift/Brake Lever – the perfect fusion of advanced materials, innovative engineering, and sleek styling. Experience precision, control, and sleek aerodynamics on every ride.
- Enhanced modulation and precise control with Shimano Ultegra ST-R8170-RE Di2 wireless shift/brake levers, featuring Shimano’s proven SERVO-WAVE technology for smooth, reliable braking performance.
- Lightweight, durable construction crafted from high-quality materials offers an aerodynamic profile and low-maintenance design, perfect for competitive cycling and long-distance adventures.
- Advanced electronic engineering with compatibility for both wireless and wired connections ensures seamless integration with Shimano Di2 road systems, delivering fast, accurate 12-speed shifting every time.
- Ergonomically optimized for comfort, the raised hood peaks and refined lever feel improve ergonomics during intense rides, while adjustable reach provides personalized fit for all riders.
- Innovative features include extended battery life of 1.5 to 2 years with CR1632 batteries and compatibility with satellite shifters, making this the ideal choice for high-performance, modern road cycling setups.
| Brake Lever Actuation | Hydraulic |
| Rotor Included | No |
| Brake Lever Use | Right |
| Front Der/Shifter Compatibility | Shimano Road Di2 |
| Color | Black |
| Hydraulic Fluid Type | Mineral Oil |
| Adjustable Reach | Yes |
| Defined Color | Black |






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