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Shimano GRX BR-RX400 Hydraulic Disc Brake Caliper

Shimano GRX BR-RX400 Hydraulic Disc Brake Caliper

Never hesitate to tackle rough surfaces with Shimano's GRX BR-RX400 hydraulic disc brake caliper.

  • Shimano's ICE technology provides excellent heat dissipation
  • Caliper is designed to shed mud
  • An easy hose joint system (J-kit) means convenient tool access
  • Simple wheel replacement
  • One Way Bleeding technology offers an easy and clean bleeding system
  • Includes Shimano L03A resin brake pads
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