The Shimano GRX ST-RX610 dual control lever delivers light and responsive shifting for mixed-terrain riding. The textured hood and anti-slip brake lever surface increase control on bumpy terrain. The RX610 shift/brake lever is paired with a GRX BR-RX410 flat mount disc brake caliper that brings a new level of control to gravel cycling with enhanced modulation and a quicker initial braking point. And despite its compact construction the system is quieter and easier to maintain.
| Brake Lever Actuation | Hydraulic |
| Double or Triple | Double |
| Rotor Included | No |
| Brake Caliper Mount | Flat Mount |
| Brake Lever Use | Left |
| Brake Usage F/R | Front |
| Drivetrain Speeds | 12 |
| Front Der/Shifter Compatibility | Shimano Road |
| Color | Black |
| Hydraulic Fluid Type | Mineral Oil |
| Pad Compound | Resin |
| Hydraulic Hose Length | 1000 |
| Includes Brake | Yes |
| Adjustable Reach | Yes |
| Adjustable Contact Point | Yes |
| Defined Color | Black |
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