TDF Tip #4: Use chain lube
Keep your chain clean and lubricated, particularly if riding in bad weather. You’ll eliminate any noise coming from the chain while cycling, and more importantly, you’ll avoid excessive wear and tear on those expensive parts such as chainrings. Check out this guide on how to clean a bike chain if you need some help:
https://www.bikeradar.com/advice/workshop/how-to-clean-a-bike-chain