Shimano GRX BL-RX810/BR-RX810 Disc Brake Caliper and Lever - Left / Front

Shimano GRX ST-RX810 hydraulic brake/shift levers are designed for gravel and mixed-terrain riding, delivering precise control, strong modulation, and reliable performance over long distances.

Their ergonomically shaped levers and textured hoods provide improved comfort and stability across multiple hand positions, while Shimano’s hydraulic system ensures consistent braking feel in varied terrain conditions.

The system is paired with BR-RX810 flat-mount disc brake calipers, which incorporate ICE TECHNOLOGY to improve heat dissipation and maintain stable braking performance on long descents.

Key Features

• GRX Gravel Ergonomics – Optimized lever and hood design for comfort and control on rough terrain
• Hydraulic Disc Brake Performance – Smooth, consistent modulation for predictable braking
• ICE TECHNOLOGY Calipers (BR-RX810) – Enhanced heat management for stable braking on extended descents