Shimano GRX ST-RX600/BR-RX400 Disc Brake with Dual Control Lever

The Shimano GRX Dual Control Lever delivers light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort, and the textured, anti-slip brake lever increases control on bumpy terrain.

- Gravel inspired lever and bracket ergonomics
- Anti-slip brake lever
- Greater mixed-terrain control
- Same light shifting operation as top tier road systems
- Excellent heat dissipation
- Flat mount
- Convenient tool access
- Simple wheel replacement
- Easy and clean bleeding system
- Never hesitate to tackle rough surfaces
- Simple set up and maintenance