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How to fix a broken bike chain?
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1. Start by ensuring that all parts of the chain are aligned correctly.
2. Check for any broken, damaged, or bent parts.
3. Remove any damaged parts, replace them with new parts if necessary.
4. Re-connect the chain, making sure the links fit together properly.
5. Grease the chain with chain lube and spin the pedals to distribute the grease evenly.
6. Check the chain tension, adjusting as needed.
7. Test ride the bike to ensure the chain is secure.