For visually impaired users: Browse the streamlined version of our website.

Shimano GRX BR-RX400 Flat Mount Hydraulic Disc Brake Caliper (Rear)

Price: $54.99 (Save 5%)
Sale: $51.99
Add To Cart Add to Wish List
In Stock Online!
$1.99 Flat Rate Shipping!
This item is eligible for $1.99 flat rate shipping Learn More
This item earns up to 52 VIP Reward Points Learn More

The low-profile Flat Mount design allows the Shimano GRX BR-RX400 hydraulic disc brakes to provide greater braking and control for mixed terrain riding.


  • Excellent heat dissipation
  • Convenient tool access
  • Simple wheel replacement
  • Easy and clean bleeding system
  • Simple set up and maintenance

Mount Type: Flat Mount
Position: Rear 

This product was added to our catalog on August 13, 2019