How to clean and lube a bicycle chain effectively?

To clean and lube a bicycle chain effectively, follow these steps:

1. Use a degreaser and a brush to clean the chain thoroughly.
2. Wipe off excess degreaser and let the chain dry completely.
3. Apply a lubricant specifically designed for bicycle chains, making sure to cover each link.
4. Wipe off any excess lubricant to prevent attracting dirt.
5. Test the chain by pedaling to ensure smooth operation.