![Shimano's gravel-oriented GRX mechanical rear derailleur come in both 1x ( RX812) and 2x (RX810) configurations. We tried the RX812 in a 2x configuration with success. © A. Yee / Cyclocross Magazine - Shimano's gravel-oriented GRX mechanical rear derailleur come in both 1x ( RX812) and 2x (RX810) configurations. We tried the RX812 in a 2x configuration with success. © A. Yee / Cyclocross Magazine -](https://www.cxmagazine.com/wp-content/uploads/2019/10/shimano-grx-gravel-drivetrain-components-img_9704-cxmagazine-ay_2-750x494.jpg)
Shimano's gravel-oriented GRX mechanical rear derailleur come in both 1x ( RX812) and 2x (RX810) configurations. We tried the RX812 in a 2x configuration with success. © A. Yee / Cyclocross Magazine -
![Shimano Grx Rear Derailleur | Road Bike Rear Derailleur | Grx 812 Rear Derailleur - Bicycle Derailleur - Aliexpress Shimano Grx Rear Derailleur | Road Bike Rear Derailleur | Grx 812 Rear Derailleur - Bicycle Derailleur - Aliexpress](https://ae01.alicdn.com/kf/H43069b5870ba4ee0a5827ae86f54fc05x/Shimano-GRX-RX-RD-RX812-RX810-RX815-RX817-2x11s-Road-Bike-Rear-Derailleur-Shadow-Clutch-Compatible.jpg)
Shimano Grx Rear Derailleur | Road Bike Rear Derailleur | Grx 812 Rear Derailleur - Bicycle Derailleur - Aliexpress
![Amazon.com: Shimano GRX BL-RX812 Right Hand Hydraulic in-Line Bartop Brake Lever : Sports & Outdoors Amazon.com: Shimano GRX BL-RX812 Right Hand Hydraulic in-Line Bartop Brake Lever : Sports & Outdoors](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51I-TIsv8vL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Shimano GRX BL-RX812 Right Hand Hydraulic in-Line Bartop Brake Lever : Sports & Outdoors
![Shimano Grx Rx810 1x11 Speed Rx810 Rx812 Groupset Road Bike Groupset 170/172.5 30/32/34/40/42t Bicycle Group Set 1*11 Speed - Bicycle Derailleur - AliExpress Shimano Grx Rx810 1x11 Speed Rx810 Rx812 Groupset Road Bike Groupset 170/172.5 30/32/34/40/42t Bicycle Group Set 1*11 Speed - Bicycle Derailleur - AliExpress](https://ae01.alicdn.com/kf/H02548ef1b1e54f898a8090142aabca14i/shimano-GRX-RX810-1x11-Speed-RX810-RX812-Groupset-Road-Bike-Groupset-170-172-5-30-32.jpg_Q90.jpg_.webp)
Shimano Grx Rx810 1x11 Speed Rx810 Rx812 Groupset Road Bike Groupset 170/172.5 30/32/34/40/42t Bicycle Group Set 1*11 Speed - Bicycle Derailleur - AliExpress
![Shimano GRX RD-RX812 with an 11-46 Cassette. Will this work? Low Gearing on a Gravel Bike. - YouTube Shimano GRX RD-RX812 with an 11-46 Cassette. Will this work? Low Gearing on a Gravel Bike. - YouTube](https://i.ytimg.com/vi/C4z3Kt9S5sQ/maxresdefault.jpg)
Shimano GRX RD-RX812 with an 11-46 Cassette. Will this work? Low Gearing on a Gravel Bike. - 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/717x4RbINpL._AC_UF1000,1000_QL80_.jpg)