Shimano GRX Hydraulic Disc Brake Caliper BR-RX400-R 2-piston type Flat mount Rear

Upgrade your gravel or adventure bike with the Shimano GRX Hydraulic Disc Brake Caliper BR-RX400-R for rear mounting. This 2-piston caliper offers reliable and efficient braking performance, making it perfect for riders looking for safety and control on gravel roads and in varied terrain.
The compact and slim Flat-Mount design provides a sleek and integrated look while keeping weight low without sacrificing strength. The hydraulic construction offers instant response and smooth, modulated braking that ensures optimal control and precision in all conditions.
The Shimano GRX BR-RX400-R is easy to install and maintain, making it an excellent choice for those looking for a reliable braking system for both long distances and rougher terrain. With this caliper, you get reliable stopping power and efficiency for your gravel and adventure riding.