Shimano GRX BR-RX410 Hydraulic Disc Brake Caliper - Rear Flat-Mount W/Fixing Bolt for 25mm Mount Black. The GRX BR-RX410 disc brake caliper brings a new level of control to gravel cycling with enhanced modulation and a quicker initial braking point. And despite its compact construction the system is quieter and easier to maintain.

GRX BR-RX410 flat mount 2-piston brake caliper has 10% wider pad clearance to decrease brake noiseOne Way bleeding makes cleaning and bleeding the system easy

Includes L05A-RF pads with finned backplate and resin compound for enhanced heat dissipation

One Way bleeding makes cleaning and bleeding the system easy