Shimano GRX ST-RX610 Shift/Brake Lever BR-RX400 Hyd Disc Brake Caliper - Right/Rear 12-Spd Flat Mnt Caliper For 25mm Mount BLK

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 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.