Shimano (Cycling) GRX BR-RX400 Rear Flat Mount L03A Hydraulic Disc Brake IBRRX400RDRF

Gravel / Adventure component "GRX400" series hydraulic disc brake caliper.
Designed for both ease of assembly and maintainability.
■ With resin pad with L03A fin with excellent heat dissipation.
Type: Rear
■ Brake type: Hydraulic disc brake
■ Recommended brake lever: ST-RX400
Recommended brake hose: SM-BH90-JK-SSR, SM-BH90-J-SSR
■ Recommended disc rotor: SM-RT64
■ Used oil: Mineral oil
Mount type: Flat mount
■ Attached pad: Resin with L03A fin }
■ Adaptive pad: K03S Resin, K04S Meta