The Shimano GRX RD-RX815 2x11 Speed Di2 Rear Derailleur is engineered for gravel cycling, offering precision and reliability on mixed terrain. Its electronic shifting capabilities ensure seamless transitions, enhancing your riding experience.

Designed specifically for gravel bikes, this derailleur is part of Shimano's innovative GRX series, which is tailored for off-road adventures.

• Supports 11-speed drivetrains
• Di2 electronic shifting for smooth gear changes
• Optimized for gravel and adventure riding