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
  
• One-way maintenance-friendly bleeding process for quick and easy prevention of air bubbles in the hydraulic system
  
• Includes finned L05A pads with a resin compound for enhanced heat dissipation
  
• Front includes bracket for 140/160 rotors (assembled for 160mm)
  
• Disc brake rotor sold separately
  
• Rotor Included: No
  
• Pad Compound: Resin
  
• Hydraulic Fluid Type: Mineral Oil
  
• Brake Lever Actuation: Hydraulic
  
• Brake Caliper Type: Flat Mount
  
• Recommended Brake Lever: ST-RX820 ST-RX820-LA BL-RX820-L
  
• Recommended Brake Rotor: RT-CL800
  
• Weight: 146g. (front); 136g. (rear)
  
• Color: Black