Shimano RX817 Di2 11-Speed Rear Derailleur - Long Cage for Gravel & CX

Shimano RX817 Di2 11-Speed Rear Derailleur - Factory Overstock

When the going gets gravelly
The Shimano RX817 Di2 rear derailleur seamlessly integrates electronic shifting with silent operation, even on rough terrain. Its Shimano Shadow RD+ clutch prevents chain slapping and drops, ensuring a smooth ride on mixed surfaces.

Product Details

• Operates with Shimano Di2 for digital electronic shifting
• Gravel-tuned clutch tension for smooth, reliable shifting on varied terrain
• Switch stabilizer on/off to match terrain conditions
• Optimized for 1x drivetrains
• Low sprocket max/min: 42T/40T

Technical Specifications

Specification	Details
Cage	Long cage
Speed	11
Largest cog	42T

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