GRX ST-RX610 Shifter/Brake Lever with BR-RX400 Disc Brake Caliper seal kit The AirBoost air inlet at

The AirBoost air inlet at the front and the wider rear with Aero Blade provide optimal ventilation and reduced drag

Protects stanchions and dust seals from rocks and debris

Bash Guards

The Dakine lumbar reservoir is the same one that comes in mountain bike hydration packs

This is all due to the wicking properties of our VaporRize™ mesh fabric

GRX ST-RX610 Shifter/Brake Lever with BR-RX400 Disc Brake Caliper seal kit The AirBoost air inlet atThe 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 GRX BR RX400 2 piston flat mount hydraulic disc brake caliper features a low profile design with ICE technologies to provide greater control and excellent heat dissapation for mixed terrain riding. 2x shifter with brake lever for use with GRX RX610 12