Shimano GRX RD-RX817 Rear Derailleur - 11-Speed Long Cage Black Di2

Elevate your cycling experience with the Shimano GRX RD-RX817 Rear Derailleur. Designed for precision and performance, this derailleur ensures seamless shifting on various terrains, making it an essential component for any serious cyclist.

• Compatible with Shimano Di2 for advanced electronic shifting technology.
• Gravel-tuned clutch tension provides smooth and reliable shifting on mixed surfaces.
• Supports a maximum cog size of 42 teeth for versatile gearing options.
• Long cage design accommodates a chain wrap capacity of 31 teeth.
• Constructed with a sleek black finish for a modern, stylish look.

This derailleur is ideal for cyclists seeking enhanced performance in gravel and mixed-terrain riding. Its advanced design allows for easy installation and compatibility with Shimano Road Di2 systems, ensuring a premium riding experience.