Shimano

Shimano GRX BR-RX810 Hydraulic Disc Brake Caliper - Flat Mount - Front

The Shimano GRX BR‑RX810 is a front hydraulic disc brake caliper with a flat‑mount interface, designed for Shimano GRX and SRAM Code groupsets. It uses sintered metallic pads (L03A), fits 160 mm rotors, weighs 130 g, and suits road, cyclocross and gravel bikes.

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Update overdue Last checked Jul 2, 2026 14:39

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About Shimano GRX BR-RX810 Hydraulic Disc Brake Caliper - Flat Mount - Front

The Shimano GRX BR‑RX810 front hydraulic disc brake caliper offers a flat‑mount design that attaches directly to compatible frames or forks. Engineered for Shimano GRX and SRAM Code drivetrain groups, it delivers reliable hydraulic braking performance. The caliper is equipped with sintered/metallic brake pads in the L03A shape, providing consistent bite and durability across varied conditions. It is sized for 160 mm rotors, aligning with common gravel and cyclocross setups, and its lightweight construction at 130 g helps maintain overall bike balance. Introduced for the 2025 model year, the BR‑RX810 targets riders who demand precise control on road, cyclocross, and all‑road/gravel terrain. Its hydraulic operation ensures smooth modulation, while the flat‑mount format simplifies installation and maintenance. This component integrates seamlessly into Shimano GRX series builds, offering a blend of performance and simplicity for demanding off‑road adventures.

  • Flat‑mount design for direct frame/fork integration
  • Hydraulic operation compatible with Shimano GRX and SRAM Code systems
  • Sintered/metallic brake pads (L03A shape) for consistent performance
  • Supports 160 mm rotors
  • Lightweight at 130 g, suitable for road, cyclocross and gravel bikes

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