![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
![shimano GRX RX810 11 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 11 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/Sa54afdf5f0e34799a7065a4e52c607c7y/shimano-GRX-RX810-11-Speed-RX810-RX812-Groupset-Road-Bike-Groupset-170-172-5-30-32.jpg_Q90.jpg_.webp)
shimano GRX RX810 11 Speed RX810 RX812 Groupset Road Bike Groupset 170/172.5 30/32/34/40/42T Bicycle Group Set 1*11 speed|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.jpg)
Amazon.com: Shimano GRX BL-RX812 Right Hand Hydraulic in-Line Bartop Brake Lever : Sports & Outdoors
![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
![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 -
![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)