The Shimano GRX ST-RX610 dual control lever delivers light and responsive shifting for mixed-terrain riding (Note: BR1057 is a left non-shift variation for 1x set ups) . 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.
Specifications:
- Brake Lever Actuation: Hydraulic
- Rotor Included: No
- Color: Black
- Brake Caliper Mount: Flat Mount
- Hydraulic Fluid Type: Mineral Oil
- Brake Lever Use: Left
- Pad Compound: Resin
- Hydraulic Hose Length: 1000
- Adjustable Reach: Yes
- Adjustable Contact Point: No
- Drivetrain Speeds: 12
- Defined Color: Black
- Front Der/Shifter Compatibility: Shimano Road
- Shifter/Derailleur Compatibility: Shimano