![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 Deore XT Rear Derailleur (Long Cage) (Top-Normal) - Old Town Bike Shop | Colorado Springs, CO 719-475-8589 Shimano Deore XT Rear Derailleur (Long Cage) (Top-Normal) - Old Town Bike Shop | Colorado Springs, CO 719-475-8589](https://www.sefiles.net/images/library/large/xt_rd771_08_m.jpg)
Shimano Deore XT Rear Derailleur (Long Cage) (Top-Normal) - Old Town Bike Shop | Colorado Springs, CO 719-475-8589
![Your complete guide to Shimano mountain bike drivetrains - Tourney, Altus, Acera, Alivio, Deore, SLX, XT, XTR 12 speed | off-road.cc Your complete guide to Shimano mountain bike drivetrains - Tourney, Altus, Acera, Alivio, Deore, SLX, XT, XTR 12 speed | off-road.cc](https://off.road.cc/sites/default/files/styles/970x640/public/thumbnails/image/xtr_m9100-11.jpg?itok=LG4KfmQ0)
Your complete guide to Shimano mountain bike drivetrains - Tourney, Altus, Acera, Alivio, Deore, SLX, XT, XTR 12 speed | off-road.cc
![Microshift XLE Rear Derailleur w/Clutch - Scott's Bicycle Centre - Chattanooga, TN's Favorite Bike Shop! Microshift XLE Rear Derailleur w/Clutch - Scott's Bicycle Centre - Chattanooga, TN's Favorite Bike Shop!](https://www.sefiles.net/images/library/zoom/microshift-xle-rear-derailleur-w-clutch-377386-1.jpg)