Shimano GRX BL-RX717 / BR-RX410This hydraulic disc brake assembly is a front specific component for reliable stopping power. It features a durable aluminum brake material and a flat mount caliper for modern frame integration. The system uses mineral oil for consistent hydraulic performance, providing controlled modulation for varying riding conditions. The brake lever blade is also constructed from aluminum, ensuring strength and a responsive feel. With a 1000mm hydraulic hose, it
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