GRX Di2 ST-RX815

The SHIMANO GRX Di2 levers deliver light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort and the textured, anti-slip brake lever increases control on bumpy terrain. The Di2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting.
• Raised hood head prevents hand misalignment and slippage
• Recessed finger notch prevents upward slipping
• Anti-slip texture and brake lever coating
• Improved braking input performance
• Higher brake lever axis and curved brake lever