![Amazon.com : Shimano GRX RD-RX812 GRX 11-Speed Rear derailleur, Shadow+, for Single,Black : Sports & Outdoors Amazon.com : Shimano GRX RD-RX812 GRX 11-Speed Rear derailleur, Shadow+, for Single,Black : Sports & Outdoors](https://m.media-amazon.com/images/I/717x4RbINpL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Shimano GRX RD-RX812 GRX 11-Speed Rear derailleur, Shadow+, for Single,Black : Sports & Outdoors
![Modified Shimano GRX RD-RX812 1x11 spd rear derailleur to supports 2x11 spd w/ 11-46T cassette. - YouTube Modified Shimano GRX RD-RX812 1x11 spd rear derailleur to supports 2x11 spd w/ 11-46T cassette. - YouTube](https://i.ytimg.com/vi/7kUxmkuJWNg/maxresdefault.jpg)
Modified Shimano GRX RD-RX812 1x11 spd rear derailleur to supports 2x11 spd w/ 11-46T cassette. - YouTube
![Amazon.com : Shimano GRX RD-RX812 GRX 11-Speed Rear derailleur, Shadow+, for Single,Black : Sports & Outdoors Amazon.com : Shimano GRX RD-RX812 GRX 11-Speed Rear derailleur, Shadow+, for Single,Black : Sports & Outdoors](https://m.media-amazon.com/images/I/71aZ9yDnN3L._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Shimano GRX RD-RX812 GRX 11-Speed Rear derailleur, Shadow+, for Single,Black : Sports & Outdoors
![Amazon.com : Shimano GRX RD-RX812 GRX 11-Speed Rear derailleur, Shadow+, for Single,Black : Sports & Outdoors Amazon.com : Shimano GRX RD-RX812 GRX 11-Speed Rear derailleur, Shadow+, for Single,Black : Sports & Outdoors](https://m.media-amazon.com/images/I/71NpFpKHxLL._AC_UF1000,1000_QL80_.jpg)