Shimano GRX RX610 12 Spd Shift/Disc Brake Kit - Rear

Shimano GRX RX610 12 Spd Shift/Disc Brake Kit - Rear Shimano's GRX groupsets have always been designed to bring smooth shifting, reliable braking, and comfort to gravel riding. The Shimano GRX ST-RX610 hydraulic brake/shift levers use trickle-down technology from the original GRX 800 series to bring all the GRX performance and qualities to a more budget-friendly tier. Designed for performance and comfort on rough surfaces, you'll find textured hoods for a secure grip as well as an anti-slip coating on the brake levers for added confidence in wet or muddy conditions. Paired perfectly with the BR-RX400 flat-mount brake caliper and updated with 12-speeds, you'll get more options, more gears, and more opportunities to ride the way you want to. Features: Light and responsive mechanical shifting Textured hoods for a secure grip on bumpy terrain Anti-slip lever coating provides braking confidence in wet or muddy conditions Trickle-down technology from the original GRX 800 series Not compatible with 12-speed mountain bike derailleurs BR-RX400 has excellent heat dissipation Easy tool access to hose joint system (J-kit) Specifications: Shifter Style: Lever (Road) Speed: 12 Speed Derailleur Compatibility: Shimano Road (12 Speed) Shift Mechanism: Cable Actuated Adjustable Reach: Yes Brake Type: Hydraulic Brake Fluid: Mineral Oil Brake Mount: Flat Mount Brake Pads: Organic/Resin Color: Black.