The Shimano GRX ST-RX820-R Brake Lever is a hydraulic disc brake lever designed for Shimano GRX 12-speed gravel drivetrains. Intended for gravel riding and mixed-surface adventures, combining precise mechanical 12-speed shifting with confident hydraulic braking performance. Its gravel-specific ergonomic shape reduces palm pressure during long rides, while a textured brake lever surface helps maintain control when the terrain gets rough.
Features
- Mechanical 12-speed rear shifting for smooth, responsive gear changes.
- Gravel-specific lever and hood ergonomics designed to enhance comfort and handling on varied terrain.
- Textured, anti-slip brake lever surface for improved grip in rough conditions.
- Optimized for use with flared gravel handlebars.
- Reach adjustment allows riders to fine-tune lever position to suit hand size and riding preference.
- Shimano SERVOWAVE technology delivers enhanced brake modulation and control.
- Compatible with Shimano GRX BR-RX820 hydraulic disc brake calipers.
Specs
- Model: ST-RX820-R
- Series: Shimano GRX
- Position: Right-hand lever
- Shifter Type: Dual Control Lever
- Speed Compatibility: 12-speed rear drivetrain
- Brake Type: Hydraulic disc brake
- Recommended Brake Caliper: BR-RX820
- Brake Hose: SM-BH90-JK-SSR
- Hydraulic Fluid: Shimano Mineral Oil
- Clamp Diameter: 23.8–24.2 mm
- Average Weight: 289 g
- Shift Cable Housing: OT-SP41 (lever side), OT-RS900 (rear derailleur side)
- Cable Type: Polymer-coated inner cable compatible
