Key Features:

- Left brake lever, GRX BL-RX820, with a textured hood for enhanced grip during bumpy descents

- Anti-slip coating on GRX brake levers ensures reliable stopping power in wet or muddy conditions

- Reach Adjust mechanism allows for easy customization to fit any hand size or riding style

- SERVO WAVE technology facilitates rapid pad-to-rotor contact for increased braking power and control

- Gravel-specific lever and bracket ergonomics optimized for flared bars

- 10% wider pad clearance in the 2-piston caliper reduces brake noise

- One-way maintenance-friendly bleeding process prevents air bubbles in the hydraulic system

- Includes finned L05A pads with a resin compound for improved heat dissipation

- Convenient tool access with J-Kit for straightforward setup, maintenance, and wheel replacement

Additional Specifications:

- Rotor not included (sold separately)

- Pad Compound: Resin

- Brake Caliper Mount: Flat Mount

- Hydraulic Hose Length: 1000mm front; 1700mm rear

- Shifter/Derailleur Compatibility: Shimano

- Hydraulic Fluid Type: Mineral Oil

- Front Der/Shifter Compatibility: Shimano Road

- Brake Lever Actuation: Hydraulic

- Drivetrain Speeds: 12

- Adjustable Reach: Yes

- Weight: 222g (front brake only lever); 263g (front dropper lever); 283g (front 2x); 289g (rear 12sp lever)