The Shimano GRX ST-RX815 11-speed Di2 shift/brake lever integrates electronic shifting with improved grip and confidence on chippy surfaces and descents.

• A raised hood head prevents hand misalignment and slippage, while a recessed finger notch prevents upward slipping
• Anti-slip texture and brake lever coating
• Higher brake lever axis and curved lever allow for higher braking efficiency to reduce fatigue on long rides
• Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences
• BR-RX810 flat mount disc brake caliper offers greater multi-surface brake control
• Caliper features Shimano ICE technology for excellent heat dissipation