![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/mqdefault.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/W/IMAGERENDERING_521856-T1/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
![Shimano GRX RX RD RX812 RX810 RX815 RX817 2x11s yol bisikleti arka attırıcı farı + debriyaj uyumlu ile RX800 R8000 R7000|Bisiklet Vitesi| - AliExpress Shimano GRX RX RD RX812 RX810 RX815 RX817 2x11s yol bisikleti arka attırıcı farı + debriyaj uyumlu ile RX800 R8000 R7000|Bisiklet Vitesi| - AliExpress](https://ae01.alicdn.com/kf/H43069b5870ba4ee0a5827ae86f54fc05x/Shimano-GRX-RX-RD-RX812-RX810-RX815-RX817-2x11s-yol-bisikleti-arka-att-r-c-far.jpg_Q90.jpg_.webp)
Shimano GRX RX RD RX812 RX810 RX815 RX817 2x11s yol bisikleti arka attırıcı farı + debriyaj uyumlu ile RX800 R8000 R7000|Bisiklet Vitesi| - AliExpress
![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/W/IMAGERENDERING_521856-T1/images/I/71NpFpKHxLL._AC_UF1000,1000_QL80_.jpg)