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Optimized for Modern Road Bikes: Offers clearance for tires up to 28mm
Its innovative Flattop design reduces weight without compromising strength
smooth small-bump compliance
The Schrader valve allows for convenient tire inflation with standard pumps
Shimano GRX Di2 Shifter & Caliper Kit, Right/Rear, 2x11-Speed, ST-RX815/BR-RX810 Default:Default Optimized for Modern Road Bikes:Shimano RX815 Di2 11 Speed Shift Brake Lever with Caliper, Rear Sure stopping on unsure surfaces The Shimano GRX ST RX815 11 speed Di2 shift brake lever integrates electronic shifting with enhanced grip and confidence, providing superior control on rough surfaces and during steep descents. Product Details Raised hood head to prevent hand misalignment and slippage Recessed finger notch to prevent upward slipping Anti slip texture and brake lever
