How to Fix a Noisy/Squeaky Bicycle Chain

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This guide will show you how to fix a noisy or squeaky bicycle chain. Bicycle chains tend to make squeaking noises due to a buildup of rust. To prevent your bicycle chain from rusting, store your bicycle indoors where it will not be exposed to frequent sun or rain.

Only use WD-40 that is made specifically for bicycles; regular WD-40 can damage your bicycle chain.

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crwdns2931653:01crwdne2931653:0 How to Fix a Noisy/Squeaky Bicycle Chain

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Place a piece of cardboard under the bicycle to catch excess cleaner.
Rotate the foot pedal with your hand slowly, and spray WD-40 bicycle chain cleaner evenly throughout the chain.
Only use WD-40 that is specifically made for bicycles. Using normal WD-40 can damage your bicycle chain.
The chemical spray is toxic and very unpleasant to smell. Please use a mask or other means of protection on your face and eyes.

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How to Fix a Noisy/Squeaky Bicycle Chain: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0

How to Fix a Noisy/Squeaky Bicycle Chain: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0

How to Fix a Noisy/Squeaky Bicycle Chain: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

Use bicycle cleaning tools to clean the bicycle chain, the chainrings, the cogset, and front & rear derailleurs until most of the rust is gone.
Some bicycles do not have all of these parts.

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How to Fix a Noisy/Squeaky Bicycle Chain: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0

How to Fix a Noisy/Squeaky Bicycle Chain: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

Check your chain system, not only on the chain, but also on the chainrings, cogset, and derailleur system. Sometimes this part will also make noises because of rust.
Drip the WD-40 bicycle lubricant on one spot of the chain and rotate the foot pedal until the whole chain is lubricated.
Only use WD-40 that is specifically made for bicycles. Using normal WD-40 can damage your bicycle chain.
Repeat this process until the chain no longer squeaks.