The Shimano GRX ST-RX820 right dual control lever delivers light and responsive mechanical 12-speed shifting for mixed-terrain riding and racing. The ergonomic shifter design improves comfort by decreasing pressure on your palms while the textured anti-slip brake lever surface increases control on bumpy terrain. The SERVO WAVE brake lever action provides greater braking power with improved control.12-speed shifter with brake lever for use with GRX RX610 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
| Brake Lever Actuation | Hydraulic |
| Hydraulic Fluid Type | Mineral Oil |
| Brake Lever Use | Right |
| Rear Der/Shifter Compatibility | Shimano Road |
| Includes Brake | No |
| Adjustable Reach | Yes |
| Drivetrain Speeds | 12 |
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