Shimano GRX ST-RX610 STi Shifter with BR-RX400 Brake

Unmatched comfort and control for mixed-terrain riding and racing

The SHIMANO GRX 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.

FEATURES
Greater control on mixed terrain
Gravel-specific lever and bracket ergonomics
Anti-slip coating on brake lever
SHIMANO GRX Hydraulic Disc Brake Caliper
SHIMANO GRX - Flat Mount - Hydraulic Disc Brake - Brake Caliper

With a low-profile Flat Mount design, the SHIMANO GRX BR-RX400 hydraulic disc brakes provide greater control for mixed terrain riding.

FEATURES
Never hesitate to tackle rough surfaces
Excellent heat dissipation
ICE TECHNOLOGIES
Flat mount
Simple set up and maintenance
Convenient tool access
Easy hose joint system (J-kit)
Simple wheel replacement
Easy and clean bleeding system
ONE WAY BLEEDING