![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://images-na.ssl-images-amazon.com/images/I/51BjhXqPbVL._AC_UL600_SR600,600_.jpg)
Amazon.com : Shimano GRX BL-RX812 Right Hand Hydraulic in-Line Bartop Brake Lever : Sports & Outdoors
![Shimano Grx 11speed Rear Derailleur Rd-rx812 42t Max Low Sprocket Original Parts - Bicycle Derailleur - AliExpress Shimano Grx 11speed Rear Derailleur Rd-rx812 42t Max Low Sprocket Original Parts - Bicycle Derailleur - AliExpress](https://ae01.alicdn.com/kf/Heb5e96e501414834a5f5ee77964ea80dB/SHIMANO-GRX-11Speed-Rear-Derailleur-RD-RX812-42T-max-low-sprocket-Original-Parts.jpg_Q90.jpg_.webp)
Shimano Grx 11speed Rear Derailleur Rd-rx812 42t Max Low Sprocket Original Parts - Bicycle Derailleur - AliExpress
![Shimano Grx Rx810 Rx812 Groupset 170 172.5 175mm 40 42t Crankset Shifter Derailleur Cassette 1x11s Road Bike Disc Brake Suit - Bicycle Crank & Chainwheel - AliExpress Shimano Grx Rx810 Rx812 Groupset 170 172.5 175mm 40 42t Crankset Shifter Derailleur Cassette 1x11s Road Bike Disc Brake Suit - Bicycle Crank & Chainwheel - AliExpress](https://ae01.alicdn.com/kf/S0d8164c673b14dafae59fed849ee5e9bR/SHIMANO-GRX-RX810-RX812-Groupset-170-172-5-175mm-40-42T-Crankset-Shifter-Derailleur-Cassette-1X11s.jpg_640x640.jpg)
Shimano Grx Rx810 Rx812 Groupset 170 172.5 175mm 40 42t Crankset Shifter Derailleur Cassette 1x11s Road Bike Disc Brake Suit - Bicycle Crank & Chainwheel - AliExpress
![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)