![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
![Easy Upgrades For Your Bike: Shimano SIL-TEC Chains Deliver More Bang For Your Buck | SHIMANO BIKE-US Easy Upgrades For Your Bike: Shimano SIL-TEC Chains Deliver More Bang For Your Buck | SHIMANO BIKE-US](https://bike.shimano.com/content/productsite/en-US/information/news/easy-upgrades-for-your-bike/_jcr_content/productsite_newsarticle/body_parsys/image_1424634937.img.jpg/1587574693691.jpg)
Easy Upgrades For Your Bike: Shimano SIL-TEC Chains Deliver More Bang For Your Buck | SHIMANO BIKE-US
![Easy Upgrades For Your Bike: Shimano SIL-TEC Chains Deliver More Bang For Your Buck | SHIMANO BIKE-US Easy Upgrades For Your Bike: Shimano SIL-TEC Chains Deliver More Bang For Your Buck | SHIMANO BIKE-US](https://bike.shimano.com/content/productsite/en-US/information/news/easy-upgrades-for-your-bike/_jcr_content/productsite_newsarticle/body_parsys/image_1939924876.img.jpg/1588008041799.jpg)
Easy Upgrades For Your Bike: Shimano SIL-TEC Chains Deliver More Bang For Your Buck | SHIMANO BIKE-US
![The Shimano GRX Drivetrain Brings Familiar Mountain Bike Tech to Gravel Riding [Review] - Singletracks Mountain Bike News The Shimano GRX Drivetrain Brings Familiar Mountain Bike Tech to Gravel Riding [Review] - Singletracks Mountain Bike News](https://images.singletracks.com/blog/wp-content/uploads/2023/02/underside_brake_mount_grx-1.jpeg)