Shimano GRX BR-RX400 Flat-Mount Disc Brake Caliper, Resin Pads w/ Fins (Adaptor Sold Seperately)
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GRX BR-RX400 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