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Shimano
GRX BR-RX400 Hydraulic Disc Brake Caliper

Mfg PartNum:
549
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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

Flat Mount Front

Brake Pad Type: Disc 

Brake Type: Flat Mount Disc 

Flat Mount Rear

Brake Pad Type: Disc 

Brake Type: Flat Mount Disc 

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