The Shimano GRX RX717 Di2 Wireless rear derailleur paired with a 10-51t cassette (cassette sold separate) gives gravel riders the speed range and robustness to pursue any gravel challenge. With built-in automatic impact recovery an impact-deflecting shape and solid pulleys this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance.Fully wireless shifting built for rough gravel terrain A wide link structure skid-plate design durable aluminum plate and solid pulley add robustness and longevity Features Shimano Shadow ES: A slimmer stronger evolution of Shimano's pioneering chain-stabilizing Shadow RD+ concept Tucked safely inside an enclosed space the battery won’t budge even in rough terrain while remaining easily removable for charging
| Largest Cog | 51 |
| Rear Der/Shifter Compatibility | Shimano Road Di2 |
| Rear Derailleur Mount Type | 10x1 Standard |
| Drivetrain Speeds | 12 |
| Chain Wrap Capacity (teeth) | 41 |
| Cage Length | Long |
| Color | Black |
If you don't see exactly what you need or have questions about any product, contact us and we'll do our best to answer your questions and help you find what you need.
