Shimano GRX BR-RX820 Hydraulic Brake Calipers Description:

The Shimano GRX BR-RX820 hydraulic brake calipers are a low-profile, flat-mount design that brings simplicity and power to the GRX platform. The 2-piston, lightweight design boasts a great power-to-weight ratio, giving you all of the performance with none of the fuss. With a maintenance-friendly bleeding process, the GRX BR-RX820 has you covered, no matter what the day has in store.

Features:

• Maintenance-friendly bleeding process
• 10% wider pad clearance reduces brake rotor noise
• Low-profile flat-mount design

Specifications:

• Brake Type: Hydraulic Disc
• Brake Fluid: Mineral Oil
• Brake Mount: Flat Mount
• Brake Pads: Organic/Resin
• Pistons: 2
• Color: Black
• Weight: 146g (Front), 136g (Rear)

This product is expected to become available for purchase on Thursday, October 9, 2025