Shimano GRX ST-RX820 Shift/Brake Lever with BR-RX820 Hyd Disc Brake Caliper - Right/Rear, 12-Speed, Flat Mount Caliper, For 25mm Mount EA Hydraulic Brake/Shift Lever, Drop Bar

12-speed shifter with brake lever for use with GRX RX820 12-speed systems Gravel-specific lever body ergonomics and anti-slip lever coating provides greater control on mixed terrain Optimized for use with flared handlebars Reach Adjust mechanism allows the lever to be adjusted to suit any hand size, type of riding and individual rider preferences SERVO WAVE technology provides fast initial pad travel to quickly contact the rotors followed with the power multiplication factor to give fast pad-to-rim contact to apply greater braking power with improved control 2-piston caliper for 25mm frame mounts 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 Disc brake rotor sold separately