Shimano GRX ST-RX815 Di2 Hydraulic Shifter

The Shimano GRX ST-RX815 Di2 Hydraulic Shifter delivers 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's electronic shifting and synchronized shifting.

• Improved grip and confidence on choppy surfaces and descents
• Raised hood head prevents hand misalignment and slippage
• Recessed finger notch prevents upward slipping
• Anti-slip texture and brake lever coating
• Higher braking efficiency reduces fatigue on long rides
• Improved braking input performance
• Higher brake lever axis and curved brake lever
• Pricing for in the individual shift lever
• Bleed hose, brake caliper, mineral oil, olive & pin not included