Shimano

GRX BR-RX410 Hydraulic Disc Brake Caliper - Rear, Flat-Mount, W/Fixing Bolt for 25mm Mount

The Shimano GRX BR-RX410 Hydraulic Disc Brake Caliper delivers reliable stopping power and refined control for gravel and adventure riders who demand confidence on varied terrain. Designed for flat-mount rear setups, this 2-piston caliper provides a balanced feel with smooth modulation and a quicker initial bite, ideal for maintaining control on loose or unpredictable surfaces.

With a 10% wider pad clearance, the GRX BR-RX410 runs quieter and reduces rotor rub, even when the bike flexes under load. The One Way Bleeding system simplifies maintenance, making fluid changes and cleanup more straightforward for home mechanics and shop techs alike. It comes equipped with L05A-RF resin pads featuring finned backplates for improved heat dissipation, ensuring consistent braking performance during long descents or hot conditions.

• Flat-mount, 2-piston design optimized for gravel and mixed-surface riding
• 10% wider pad clearance minimizes brake noise and rotor rub
• Includes L05A-RF resin pads with cooling fins for better heat management
• One Way Bleeding system for easy and clean maintenance
• Includes fixing bolt for 25mm mount spacing

Built to match the demands of the Shimano GRX groupset, the BR-RX410 caliper offers dependable performance, quiet operation, and easy serviceability—essential for riders who value control and reliability on every ride.