The Shimano BR-R8170 Ultegra Hydraulic Disc Brake is a high-performance braking system designed for road bikes. Weighing just 280 grams, this brake offers exceptional stopping power and control. The hydraulic disc brake system ensures smooth and reliable braking in all conditions, providing confidence and safety on every ride. The BR-R8170 features a flat mount design for a sleek and integrated look on your bike. With its advanced heat dissipation technology, this brake maintains consistent performance even on long descents. The Shimano BR-R8170 Ultegra Hydraulic Disc Brake is compatible with Shimano's Di2 electronic shifting system, offering seamless integration for a superior riding experience. Upgrade your road bike with the precision and reliability of the Shimano Ultegra Hydraulic Disc Brake.