GRX ST-RX400 / BR-RX400

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GRX ST-RX400 10 speed shifters and flat mount BR-RX400 hydraulic calipers Anti-slip brake lever increases control on bumpy terrain Raised brake lever pivot point increases leverage from the hoods Adjustable lever reach Compatible with GRX RD-RX400 and Tiagra 4700 derailleurs Forged aluminum BR-RX400 calipers Pre-assembled with SM-BH90-JK-SSR high power hose Includes L03A resin pads with improved wear resistance Attributes Brake Material Aluminum Caliper mount Flat mount Disc Diameter 140 or 160mm (not included) Fluid Mineral oil Lever Blade Material Aluminum Primary Color Black Show more