Chosen Solution
I go out with my GT Bikes and having a chain falling problem. I have to fix it every 5 to 10 minutes, which is a very annoying thing. I hope I can get a good solution from professionals.
Check this article hope this might help you https://papasroadtrip.com/how-to-tighten… Or you may purchase a new one.
The chain needs to be greased or get a new chain
