![This morning my chain jumped off my top pulley and snapped my rear derailleur 😳. I want to replace it with s shimano GRX as I swap my wheels between a road This morning my chain jumped off my top pulley and snapped my rear derailleur 😳. I want to replace it with s shimano GRX as I swap my wheels between a road](https://preview.redd.it/s4abblelrfd61.jpg?auto=webp&s=5159fb6f886c239422c33969b834b2088a719bcf)
This morning my chain jumped off my top pulley and snapped my rear derailleur 😳. I want to replace it with s shimano GRX as I swap my wheels between a road
![Shimano's gravel-oriented GRX mechanical components offer wide range 2x gearing with a 48/31 chain ring combination. © A. Yee / Cyclocross Magazine - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media Shimano's gravel-oriented GRX mechanical components offer wide range 2x gearing with a 48/31 chain ring combination. © A. Yee / Cyclocross Magazine - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media](https://www.cxmagazine.com/wp-content/uploads/2019/10/shimano-grx-gravel-drivetrain-components-img_8734-cxmagazine-ay_1-750x529.jpg)
Shimano's gravel-oriented GRX mechanical components offer wide range 2x gearing with a 48/31 chain ring combination. © A. Yee / Cyclocross Magazine - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media
![SHIMANO grupo de 11 velocidades GRX RX600, con cambio y desviador trasero RX810, Cassette, Piñón, cadena de freno, piezas originales|Desviador de bicicleta| - AliExpress SHIMANO grupo de 11 velocidades GRX RX600, con cambio y desviador trasero RX810, Cassette, Piñón, cadena de freno, piezas originales|Desviador de bicicleta| - AliExpress](https://ae01.alicdn.com/kf/Hc447f839405e4372abf7c0eda897d583V/SHIMANO-grupo-de-11-velocidades-GRX-RX600-con-cambio-y-desviador-trasero-RX810-Cassette-Pi-n.jpg)