Description
Shimano ST-R8170 Left Lever with BR-R8170 Rear Disc Brake
The Shimano ST-R8170 Left Lever paired with the BR-R8170 Rear Disc Brake delivers the premium performance, ergonomics, and braking confidence expected from Shimano's renowned Ultegra Di2 platform. Designed for riders seeking precise control and dependable stopping power, this system combines advanced hydraulic braking technology with a refined lever design for exceptional comfort and performance on every ride.
Key Features
- Shimano Ultegra Di2 ST-R8170 left brake lever
- BR-R8170 hydraulic rear disc brake caliper
- Powerful and controlled hydraulic braking performance
- Improved ergonomics for enhanced comfort
- Lightweight and durable construction
- Smooth lever feel with excellent modulation
- Flat mount brake caliper design
- Compatible with Shimano road hydraulic systems
- Designed for performance road cycling
- Reliable all weather braking performance
Powerful and Predictable Braking
The BR-R8170 hydraulic disc brake system delivers exceptional stopping power with refined modulation, allowing riders to precisely control speed in all conditions. Whether descending mountain roads or navigating wet weather rides, braking remains smooth, confident, and consistent.
Refined Ultegra Ergonomics
The ST-R8170 lever has been designed to provide excellent hand support and comfort during long rides. Its ergonomic shape promotes a natural hand position while maintaining easy access to braking controls from multiple riding positions.
Lightweight Performance Construction
Built using premium Shimano materials and engineering, the ST-R8170 and BR-R8170 combination offers an ideal balance of low weight, durability, and long-term reliability for performance-focused cyclists.
Confident Control in All Conditions
Hydraulic disc brake technology provides superior braking consistency compared to traditional rim brakes, particularly in wet weather and challenging terrain. Riders benefit from greater confidence, improved control, and reduced hand fatigue.
Seamless Shimano Integration
As part of the Shimano Ultegra Di2 ecosystem, the ST-R8170 integrates perfectly with compatible Shimano electronic drivetrains and hydraulic brake systems, creating a cohesive and high-performance road bike setup.
Built for Serious Road Cyclists
Whether you're racing, training, or tackling epic endurance rides, the Shimano ST-R8170 Left Lever with BR-R8170 Rear Disc Brake delivers the performance, reliability, and braking precision needed to ride at your best.
