Shimano RX400 GRX Flat Mount Disc Brake Caliper

• Never hesitate to tackle rough surfaces
• Simple set up and maintenance
• Excellent heat dissipation
• Flat mount
• Convenient tool access
• Simple wheel replacement
• Easy and clean bleeding system
• Brake Hose Kit Compatibility: SM-BH90-JK-SSR, SM-BH90-J-SSR
• Brake Pads: K03S Resin Included (K04S, and L03A compatible)
• Recommended Brake Lever: ST-RX400
• Recommended Brake Rotor: SM-RT64
• Oil: Shimano Mineral oil
• Mount Type: flat mount