How to Fix a Bike Chain: Easy Steps for Smooth Riding.

To fix a bike chain, firstly remove it, then carefully replace, ensuring it is correctly lined up. Fix any kinks or twists as required.

Biking is an excellent mode of transportation and a popular sport for many. However, a broken or jammed chain can easily ruin your biking experience. Therefore, it is crucial to know how to fix a bike chain quickly and efficiently.

A bike chain can break for various reasons; it may get jammed, twisted, or develop kinks that cause it to malfunction. Fixing a bike chain requires some knowledge of how its components work and some patience. In this article, we will discuss some simple techniques for fixing a bike chain with minimal effort.

How to Fix a Bike Chain: Easy Steps for Smooth Riding.


Tools Required

List Of Necessary Tools

When it comes to fixing a bike chain, having the right tools is essential. Here’s a list of the necessary tools you’ll need to get the job done:

  • Bike chain tool: This tool is used to break the chain and remove a damaged link.
  • Chain wear indicator: This tool helps to determine whether the chain has worn out and needs to be replaced.
  • Replacement pins: These pins are used to reattach the chain links after breaking them with the bike chain tool.
  • Pliers: These are used to hold the chain while making adjustments or repairs.
  • Lubricant: A bike chain requires lubrication to prevent friction and rust build-up.

Tips For Using Them Safely

When using these tools, it’s essential to keep safety in mind. Here are some tips to keep in mind when fixing your bike chain:

  • Wear safety glasses: When using pliers or the bike chain tool, there’s a risk of small metal pieces flying into your eyes, so wearing safety glasses is a must.
  • Work on a flat surface: It’s vital to work on a flat surface when fixing your bike chain to avoid any accidents or mishaps.
  • Keep your fingers away from the chain and tool: When breaking the chain or using the pliers, it’s crucial to keep your fingers away from the chain and tool to avoid any injuries.

By following these tips and getting the right tools, you can fix your bike chain without any complications and get back on the road in no time.

Steps For Fixing A Bike Chain

Step 1: Assess The Damage

Before repairing your bike chain, it’s necessary to evaluate the extent of the damage. If the chain is severely worn or rusted, it may need to be replaced entirely. However, if the chain has only one or two damaged links, you can fix it on your own.

Step 2: Remove The Chain

To begin repairing the bike chain, you must first remove it from your bike. This process will allow you to isolate the damaged links and work on them more effectively. Follow the steps below to remove the chain:

  • Shift your bike into the smallest chainring and rear cog.
  • Use a chain tool to push out one of the chain pins that hold the chain links together.
  • Lift the chain from the frame and gears.

Step 3: Fix The Damaged Link

Now that you have taken off the chain, you can begin to repair the damaged link. Follow the steps below to fix the link:

  • Using your fingers, wiggle the damaged link to expose the pin.
  • Use a chain tool to push the pin out of the damaged link.
  • Remove the outer plates and the inner plates from the damaged link.
  • Replace the damaged link with a new one or reattach the old link.
  • Reinsert the pin into the link using the chain tool.

Step 4: Reassemble The Chain

Once you have fixed the damaged link, you can reassemble the chain. Follow the steps below to reattach the chain:

  • Thread the chain through the rear derailleur.
  • Fit the chain around the smallest chainring and then around the smallest cog on the rear wheel.
  • Thread the chain back through the derailleur and above the chainstay.
  • Use the chain tool to push the pin back into the outer link, connecting the two halves of the chain.

Step 5: Test The Chain For Smooth Riding

After completing the above steps, it’s essential to double-check your repair job. Test the chain to ensure it’s working smoothly. Pedal the bike and shift gears multiple times to confirm that the chain is shifting smoothly between gears.

Fixing a bike chain may seem daunting, but with a bit of patience and a little effort, you can easily get it done yourself. By following the steps mentioned above, you can have your bike chain in top working order in no time.

Additional Tips For Maintaining Your Bike Chain

Lubricating the chain:

Regularly lubricating the bike chain helps in smooth operation and prevents rust or corrosion. Here are the key things to remember when it comes to lubrication:

  • Apply lubricant after cleaning the chain with a degreaser and drying it. This ensures proper adhesion between the chain and lubricant.
  • Use a lubricant that is suitable for your bike and the riding conditions. Always check the instructions before applying.
  • Avoid using an excess amount of lubricant as it can attract dirt and grime and hurt efficiency.
  • Wipe off any excess lubricant with a clean rag so that it does not spill onto other parts of the bike.

Checking for wear and tear regularly:

Checking your bike chain for wear and tear will help in avoiding failures and necessitating replacements. Here are the important things to consider when checking your bike chain:

  • Visibly check the chain for any rust, cracks, or damage. If you see any, replace them immediately.
  • Use a chain gauge to measure the chain’s wear and ensure that they are within the recommended limits.
  • Test for flexibility by holding the chain with both hands and bending it from side to side. If there is stiffness or binding in the chain, it may be time to replace it.

Avoiding common mistakes that can damage the chain:

Avoiding common mistakes while riding your bike will help to maintain your chain’s longevity. Here are some mistakes to avoid:

  • Do not shift gears while putting extra pressure on the pedals; this can result in damage to the chain.
  • Avoid riding in sandy or muddy conditions, as these conditions can harm the chain’s integrity.
  • Do not park your bike with the chain hanging on the ground as it can lead to issues like picking up salt, dirt, and other debris.

Overall, maintaining your bike chain requires care, attention, and regular upkeep. By following these tips, you can help to ensure that your bike’s chain remains dependable, efficient, and long-lasting.

Frequently Asked Questions For How To Fix A Bike Chain

How Do I Fix A Broken Bike Chain?

To fix a broken bike chain, you need to use master link pliers to detach it or a chain tool to remove the broken link and connect the two chain ends with a new link.

What Causes A Bike Chain To Break?

Bike chains break due to hard gear shifting, wear and tear, damage caused by a poor-quality chain, improper maintenance, and incorrect installation.

Should I Replace Or Repair My Bike Chain?

It depends on the severity of the damage. If the chain is severely damaged, replace it. If it’s minor, repairing it with a chain tool is enough.

How Often Should I Maintain The Bike Chain?

You should clean and lubricate the bike chain every 100 to 300 miles, inspect it for wear and tear, and regularly check the tension to prevent future damages.


Taking care of your bike is essential if you want to enjoy a smooth ride. Knowing how to fix a bike chain can save you time and money, and it is an essential skill to have as a bike owner.

Hopefully, our guide has helped you understand the steps you need to take to fix a broken or loose bike chain. Remember, safety should always come first, so never attempt to fix the chain on the road, and always wear protective gear such as gloves and glasses.

By following the steps outlined in this guide, you can easily fix your bike chain and get back on the road in no time. Keep your bike in good condition, and you’ll enjoy years of trouble-free cycling.

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