Shimano

GRX BR-RX820 Hydraulic Disc Brake Caliper - Front Flat-Mount W/Bracket for 140/160mm Rotor

The Shimano GRX BR-RX820 2-piston disc brake caliper brings a high level of control to gravel cycling with enhanced modulation and a quick initial braking point. Despite its smaller construction, the system is exceptionally quiet and easy to maintain.

• 2-piston caliper features 10% wider pad clearance to decrease brake noise
• Disc brake rotor sold separately
• Includes bracket fo 140/160 rotors (assembled for 160mm)
• Includes finned L05A pads with a resin compound for enhanced heat dissipation
• One-way maintenance-friendly bleeding process for quick and easy prevention of air bubbles in the hydraulic system