Shimano Ultegra Di2 R8170 Hydraulic Rear Brake

SHIMANO Ultegra Di2 R8170 Hydraulic Rear Disc Brake | Precision Control for Road CyclingExperience the evolution of speed and control with the SHIMANO Ultegra Di2 R8170 Hydraulic Rear Disc Brake. Engineered for the passionate road cycling enthusiast who demands performance without compromise, this component is a cornerstone of Shimano´s Science of Speed philosophy. It delivers an intuitive and seamless connection between rider and machine, providing the confidence to push your limits on every descent, sprint, and long-distance journey. This system represents a leap forward in braking performance and electronic shifting integration, making it a premier choice for high-performance builds and upgrades.The Ultegra R8170 redefines the rider´s cockpit with its clean and sophisticated design. By incorporating a wireless connection, it not only enhances the aerodynamic profile of your bicycle but also simplifies the entire maintenance process. This focus on intelligent design extends to the unparalleled ergonomics of the shifter and brake lever. Refined through years of engineering and direct feedback from professional cyclists, the shape is optimized for comfort and control. A raised hood peak improves your grip and hand position, reducing fatigue and allowing you to stay focused and powerful for longer.Braking is transformed into an act of pure precision. The R8170 system boasts optimized brake control that inspires confidence in any condition. Feel the difference with a lighter, smoother lever action that requires less effort to actuate. This is complemented by enhanced modulation, achieved through an expanded braking control area, which gives you a finer-tuned command over your stopping power. Whether feathering the brakes through a fast corner or coming to a sharp stop, the response is immediate and predictable. The design also incorporates a 10% wider pad clearance, a significant update that drastically decreases the chance of brake rub and noise, ensuring a quieter, more efficient ride. When it is time for service, the maintenance-friendly bleeding process makes upkeep straightforward and hassle-free.Features:- Clean Cockpit: Wireless connection enhances the aerodynamic effect and easy maintenance- Unparalleled ergonomics engineering refined with pros´ feedback- Raised hood peak improves ergonomics- Optimized brake control- Lighter, smoother lever action- Enhanced modulation thanks to an expanded braking control area- 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- 10% wider pad clearance decreases brake noise- Maintenance-friendly bleeding processTechnical Specifications:- Series: ULTEGRA R8100 Series- Brake Type: Hydraulic Disc Brake- Application: Road Cycling- Mount Type (Caliper): Flat Mount- Lever Compatibility: Compatible with wired and wireless connection- Shifter Battery: CR1632-