Shimano
GRX Di2 ST-RX815 Shifter w/ BR-RX810 Hydraulic Cal

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