Experience exceptional braking performance on any terrain with the Shimano GRX BR-RX820 Flat Mount Hydraulic Disc Brake Caliper, purpose-built for gravel, adventure, and cyclocross riding. Part of the industry-leading Shimano GRX series, renowned for its gravel-specific ergonomics, rugged reliability, and smooth, quiet drivetrain performance, this premium front brake caliper delivers outstanding control and modulation in all conditions.
- Shimano GRX gravel-optimised hydraulic disc brake caliper
- Flat mount design for sleek integration and powerful braking
- Excellent control, modulation, and braking consistency in all conditions
- Easy setup with a clean and simple bleeding system
- Includes caliper, brake pads, and 140/160 mm adapter
- Ideal for gravel, cyclocross, and adventure road bikes
The low-profile flat mount design ensures powerful yet predictable braking with minimal hand effort, giving riders confidence on loose gravel, technical descents, and long endurance rides. Shimano’s advanced hydraulic system offers quick setup, easy maintenance, and clean, hassle-free bleeding, making it ideal for both home mechanics and professional workshops.
This set includes the BR-RX820 front hydraulic caliper, high-quality brake pads, and a 140/160 mm adapter (rotor not included). Finished in a sleek grey and built to withstand the demands of off-road riding, the Shimano GRX front brake caliper is the perfect upgrade for riders seeking dependable stopping power and refined performance on gravel and cyclocross bikes.