How to Put a Bike Chain Back on a Kid’s Bike

One of the most important life skills that children pick up is how to ride a bike. The bike chain can however sometimes break off which can be upsetting for both youngsters and adults.

We’ll walk you through the process of reinstalling a bike chain on a child’s bike in this post in straightforward, understandable stages. How to Put a Bike Chain Back on a Kid’s Bike 

Gather Your Tools

It’s important to be ready with the right equipment while fixing a bike chain. These resources will contribute to a more efficient and simplified approach. The equipment you need to obtain before starting is listed below:


How to Put a Bike Chain Back on a Kid's Bike

Your hands will be protected from debris, lubricant, and any sharp edges on the bike’s parts if you use gloves.


How to Put a Bike Chain Back on a Kid's Bike

Keep a dry towel available to wipe your hands, the chain, or any extra lubrication or dirt off.

Bike Chain Tool

how to tighten a bike chain

Using this specialist tool bike chains may be broken and reattached. It is necessary to fix a broken chain.

You’ll be fully furnished to manage the process of replacing the bike chain on your child’s bike if you have these tools available.

Examine the Chain

Examine the Chain
Examine the Chain

It’s important to carefully inspect the chain after gathering your equipment and before attempting to reconnect the bike chain. This stage allows you to assess the chain’s state and search for any visible faults or damage. You may discover the main reason why the chain first fell off by looking at the chain.

Here’s what you should do during the “Examine the Chain” step.

  •  Visual Inspection: Fully look at the chain to see if there are any kinks, twists, or signs of wear. Check for any broken links or pins that might have caused the chain to disconnect.
  • Check for Bent Parts: Look at the chainring (the front gear) and the rear gears. Ensure that none of the teeth are bent or damaged, as this can lead to the chain slipping off.
  • Inspect Tension: Pay attention to the tension of the chain. A chain that’s too loose or too tight can contribute to it coming off Make sure there’s a proper amount of slack in the chain.
  • Observe Other Components: While you’re at it, take a quick look at other parts of the bike, such as the derailleur and derailleur hanger, to ensure they’re properly aligned and functioning.

You’ll have a better idea of what may have caused the chain to fall off by looking at the chain and the objects around it. This knowledge will direct you while you take the necessary actions to rejoin the chain and avoid a repeat of the problem.

Position the Bike

Position the Bike
Position the Bike

It’s time to get the bike ready for the repair procedure after inspecting the chain and locating any problems. By establishing the bike properly, you can work while having easy access to the chain and other parts.

Here’s how to position the bike.

  • Choose a Stable Surface: Find a flat and stable surface where you can place the bike. This could be a garage floor, a driveway, or any area with enough space to maneuver around the bike.
  • Align the Bike: Stand facing the bike and ensure that it’s upright and balanced. The wheels should be on the ground, and the bike should not wobble or tip over while you work on it.
  • Consider Accessibility: Position the bike in a way that allows you to comfortably reach the chain and other parts that you need to work on. Having easy access will make the process smoother.
  • Secure the Bike: If you have a bike stand or something to prop up the bike, it can provide additional stability and make it even easier to work on the chain.

You may rejoin the chain safely and effectively by setting up the bike in the right position. This phase makes the repair procedure easier by ensuring that you can work comfortably and that you have access to the bike’s components.

Align the Chain

After positioning the bike and before you attempt to reattach the chain, it’s important to ensure that the chain is properly aligned with the gears on the rear wheel. Proper alignment will make it easier to guide the chain onto the gears and prevent it from slipping off again.

Here’s how to align the chain.

  • Visual Check: Stand on the side of the bike where you can see the chain and the rear gears clearly. Check to see if the chain is resting on the gears correctly or if it’s hanging off the side.
  • Positioning the Chain: Using your hands, gently hold the chain on both sides and guide it so that it lines up with the teeth of the rear gears. The chain should be sitting on the gears without any twists or misalignment.
  • Check the Gaps: Pay attention to the gaps between the chain and the gears. The chain should be snug against the gears without any excessive slack or tightness.
  • Avoid Overlapping: Make sure the chain isn’t overlapping itself or getting caught between the gears. It should be in a smooth and even alignment.

Properly aligning the chain is a crucial step to ensure that it engages with the gears correctly when you start rotating the pedals. This alignment will contribute to the smooth functioning of the bike and prevent the chain from coming off during rides.

Engage the Chain with the Chainring

The chainring, a circular gear linked to the pedals that the chain wraps around to power the bike, is engaged with the front chain after the chain is engaged with the rear gears and the bike is correctly set up.

Here’s how to engage the chain with the chainring.

  • Position the Chain: With the bike properly aligned and stable, use your hand to gently guide the chain onto the chain. Hold the chain from both sides and lower it onto the teeth of the chainring.
  • Be Patient: Take your time to ensure the chain sits securely on the chainring. It’s important to avoid forcing or rushing this step, as it can lead to misalignment or the chain coming off again.
  • Check for Alignment: Once the chain is on the chainring, look closely to ensure that it’s evenly seated on the teeth. The chain should be centered and not hanging off the side.
  • Keep an Eye on the Rear Gears: While engaging the chain with the chainring, also make sure the rear gears are still properly aligned. The chain should be in position on both the front and rear gears.

A crucial first step is to engage the chain with the chainring since this lays the foundation for the chain to move when you begin pedaling. You can lessen the possibility of the chain falling off while your child is riding by taking your time and making sure it is placed properly.

Rotate the Pedals

Rotate the Pedals
Rotate the Pedals

Next, rotate the pedals to allow the chain to travel more easily after securing the appropriate alignment and connecting the chain with the chainring. The chain is assisted in moving around the gears and locating its natural place by this motion.

Here’s how to rotate the pedals.

  • Hand Movement: Use your hand to gently push one pedal in a circular motion. As you do this, you’ll notice that the chain starts to move along the gears.
  • Even Motion: Rotate the pedals evenly and smoothly. This will allow the chain to glide along the gears and find its way onto the rear gears as well.
  • Watch the Chain: While rotating the pedals, keep an eye on the chain. Make sure it’s moving smoothly and settling into place on both the front chainring and the rear gears.
  • Gradual Movement: Rotate the pedals a few times, ensuring that the chain is moving properly and not coming off. This step may require a bit of patience to ensure the chain is securely in position.

When your child first starts riding the bike, it will operate properly if you rotate the pedals to help the chain find its natural course around the gears. By doing this, you can lessen the chance that the chain will come undone while you’re using it because it will be fully engaged with both the front and back gears.

Test the Chain

Test the bike Chain
Test the bike Chain

Before declaring the repair successful, it’s crucial to verify the chain’s stability and functioning after turning the pedals to guide the chain into the gears and connecting the chainring.

Here’s how to test the chain.

  • Firm Rotations: With the chain engaged on both the front chainring and the rear gears, give the pedals a few firm rotations. This simulates the motion of riding the bike and helps you observe how well the chain stays in place.
  • Listen and Observe: As you rotate the pedals, listen for any unusual noises or clicking sounds. Additionally, watch the chain closely to ensure that it doesn’t derail or come off the gears.
  • Smooth Movement: The chain should move smoothly along the gears without any jerking or skipping. If you notice any issues, stop rotating the pedals and assess the situation.
  • Multiple Rotations: Rotate the pedals a few times to thoroughly test the chain’s performance. Ensure that it consistently stays on the gears and doesn’t come off during the rotations.

You may verify that the fix was effective and the bike is now suitable for use by checking the chain. The alignment and engagement of the chain with the gears may need to be checked again if any issues arise during the testing process. The goal is to make sure that the chain rides securely on the gears and offers your youngster a safe reliable riding experience.

Check for Proper Tension

It’s important to verify the chain’s tension after functionally checking it and making sure the gears are engaged. Chain tension describes how tightly, but not excessively, the chain fits on the gears.

Here’s how to check for proper tension.

  • Press Down: Gently press down on the chain midway between the front and rear gears. You’re looking to assess how much give or play the chain has.
  • Ideal Tension: The chain should have a slight amount of slack, meaning it should move up and down a little bit when you press it. It shouldn’t be overly loose or sagging, nor should it be too tight and rigid.
  • Visual Check: Look at the chain’s tension as you rotate the pedals. The chain should stay snug on the gears without excessive movement.
  • Avoid Extreme Tension: If the chain is too loose, it might come off the gears again during riding. On the other hand, if it’s too tight, it can strain the components and lead to poor performance.

You can ensure that the chain is in the ideal position for best performance and a comfortable ride by testing the tension. The chain won’t come off if the tension is just right, and the bike’s parts will last longer because of less damage.

Tips for Prevention

After you have successfully reattached the chain and verified that it functions properly, it’s crucial to give your youngster some advice on how to keep the chain from falling off again. They can experience a smoother and more trouble-free ride thanks to these preventative steps.

Here are some tips for prevention:

  • Smooth Gear Changes: Teach your child to shift gears smoothly and avoid sudden or rough gear changes, which can put extra strain on the chain and cause it to come off.
  • Even Pressure on Pedals: Encourage your child to apply even pressure on the pedals while riding. This prevents the chain from experiencing sudden jerks that could dislodge it.
  • Regular Maintenance: Show your child how to do basic maintenance, such as checking the chain’s tension and lubricating it regularly. Regular care keeps the chain in good condition.
  • Proper Riding Techniques: Teach your child to avoid standing on the pedals while starting from a complete stop. Instead, they should get the bike moving by sitting on the saddle and then standing up once it’s in motion.
  • Avoid Cross-Chaining: Explain the concept of cross-chaining, which is when the chain is on the smallest front chainring and the smallest rear gear, or the largest front chainring and the largest rear gear. This puts extra stress on the chain and should be avoided.
  • Regular Inspections: Encourage your child to inspect the bike before each ride. A quick visual check can help them catch any potential issues before they become problematic.

By providing your youngster with these preventative suggestions, you’re enabling them to take better care of their bicycle and get clear of typical blunders that can cause the chain to come off.

Your youngster may have a safe and fun bike experience without experiencing chain problems all the time with the right information and behaviors.

Common Mistakes to Avoid

Common Mistakes to Avoid
Common Mistakes to Avoid

It’s crucial to be aware of typical errors that might harm the bike’s performance in order to achieve a good bike chain repair and prevent future problems. You may help your youngster have a safer and more dependable riding experience by avoiding these blunders.

Here are some typical errors to avoid:

  • Forcing the Chain: Avoid forcing the chain back onto the gears. This can lead to misalignment and further complications.
  • Skipping Steps: Follow each step carefully and in order. Skipping steps might result in an incomplete repair.
  • Ignoring Damage: If you notice any significant damage to the chain or gears, don’t ignore it. Address the issue or seek professional help.
  • Neglecting Maintenance: Regular maintenance is key to preventing chain issues. Neglecting maintenance can lead to recurring problems.
  • Incorrect Gear Shifting: Teach your child proper gear-shifting techniques. Shifting under heavy load can stress the chain and cause it to come off.
  • Overlooking Loose Parts: Check for any loose components while working on the chain. Ignoring loose parts can lead to more problems down the line.
  • Skipping Test Phase: Don’t skip testing the chain after repairs. Testing ensures that the chain is secure and functioning properly.
  • Tightening Too Much: Avoid overtightening the chain. It should have a slight amount of slack for smooth movement.
  • Improper Lubrication: Use the right type of lubricant and avoid over-lubricating. Excess lubricant can attract dirt and debris.
  • Ignoring Unusual Noises: If you hear unusual clicking or grinding noises while riding, address them promptly. These noises could indicate an issue with the chain.

You may extend the life of the bike’s parts and provide your child with a safer bicycling experience by being aware of these frequent faults and taking preventative measures to avoid them.

When to Seek Professional Help

While many bike chain problems may be fixed with simple upkeep and fixes, there are occasions when it’s advisable to seek expert assistance. Knowing when to get professional help may help you save time, stop more damage, and make sure your bike is in the best possible shape for safe riding.

When should you think about contacting a professional?

  • Severe Damage: If the chain, gears, or any other bike components are severely damaged, it’s advisable to take the bike to a professional mechanic. They can assess the extent of the damage and recommend appropriate repairs.
  • Persistent Issues: If you’ve attempted to fix the chain multiple times but it keeps coming off or experiencing issues, it’s a sign that there might be an underlying problem. A professional can diagnose the issue and provide a lasting solution.
  • Complex Repairs: Some repairs require specialized tools and technical expertise. If the repair involves more than basic adjustments, a professional can ensure the job is done correctly.
  • Lack of Confidence: If you’re not confident in your ability to perform the repair or are unsure about certain aspects, seeking professional help is a wise choice. It’s better to have the repair done correctly from the start.
  • Time Constraints: If you need the bike ready quickly for an upcoming event or ride, a professional mechanic can provide a faster turnaround time.
  • Preventive Maintenance: Even if the issue seems minor, a professional can perform thorough preventive maintenance to ensure the entire bike is in good condition.
  • Bike Tune-Up: If it’s been a while since the bike had a comprehensive tune-up, a professional can perform a thorough inspection and make any necessary adjustments.

Keep in mind that experienced mechanics have the knowledge skills and equipment necessary to identify and resolve complicated bike problems.

You should ask for their help if you’re unsure about the repair or experience ongoing issues. By doing this, you can be sure the bike is secure, reliable, and prepared for your child’s riding experiences.

Maintenance Tips for Kid’s Bikes

Maintenance Tips for Kid's Bikes
Maintenance Tips for Kid’s Bikes

The secret to keeping your child’s bike in top shape is routine maintenance. You may avoid typical issues, guarantee that the bike is safe, and maintain functional use according to these maintenance recommendations:

  • Keep it Clean: Regularly clean the bike using a gentle detergent and water. This helps prevent dirt and debris from affecting the chain and other components.
  • Lubricate the Chain: Apply bike-specific lubricant to the chain regularly. A well-lubricated chain ensures smooth shifting and reduces wear.
  • Check Tire Pressure: Maintain proper tire pressure as indicated on the sidewall of the tire. Correct tire pressure provides a comfortable and efficient ride.
  • Inspect Brakes: Check the brake pads for wear and make sure they engage properly when the brake lever is squeezed. Adjust or replace pads as needed.
  • Examine Wheels: Inspect the wheels for any loose spokes or wobbling. Properly aligned wheels contribute to a smoother ride.
  • Tighten Bolts: Regularly check and tighten bolts on handlebars, saddle, pedals, and other components. Loose bolts can affect safety and performance.
  • Check Gears: Ensure that the gears shift smoothly and accurately. If you notice issues with shifting, adjustments may be needed.
  • Inspect Cables: Check brake and gear cables for signs of fraying or damage. Replace any worn cables to maintain reliable braking and shifting.
  • Test Bearings: Check wheel and headset bearings for smoothness. If they feel rough or gritty, they may need cleaning and greasing.
  • Store Properly: Store the bike in a dry, sheltered area to prevent exposure to the elements. This helps prevent rust and deterioration.
  • Teach Care Habits: Educate your child about proper bike care, such as avoiding rough handling and keeping the bike upright when not in use.
  • Regular Tune-Ups: Schedule regular tune-ups with a professional bike mechanic to ensure comprehensive maintenance and address any potential issues.

You can make sure that your child’s bike stays in top shape and offers safe and pleasurable rides by according to these maintenance suggestions. Additionally, regular maintenance lowers the possibility of chain and other component problems, making biking less problematic.

Teaching Kids Basic Bike Maintenance

Teaching your child the fundamentals of bike maintenance is a worthwhile lesson that may foster responsibility and enable them to enjoy a well-kept bike. Here’s how to teach your kid the fundamentals of bike maintenance:

  • Cleaning the Bike: Show your child how to clean the bike using a bucket of soapy water and a soft brush. Explain the importance of keeping the bike free from dirt and debris.
  • Lubricating the Chain: Demonstrate how to apply bike-specific lubricant to the chain. Explain that a properly lubricated chain ensures smooth riding.
  •  Checking Tire Pressure: Teach your child how to use a tire pressure gauge to check the tire pressure. Show them how to inflate the tires to the recommended pressure.
  • Inspecting Brakes: Show your child how to inspect the brake pads and ensure they are aligned and in good condition. Explain that brakes are crucial for safety.
  • Learning Gear Shifting: Teach your child how to shift gears smoothly and avoid cross-chaining. Explain that proper gear shifting prevents strain on the chain.
  • Tightening Bolts: Show your child how to use an appropriate wrench to check and tighten bolts on the handlebars, saddle, and pedals.
  • Checking Chain Tension: Explain how to check the tension of the chain by gently pressing down on it. Demonstrate how a slight amount of slack is ideal.
  • Keeping the Bike Upright: Teach your child to keep the bike upright when not in use. Storing it properly prevents damage to the chain and other components.
  • Basic Repairs: Show your child how to fix a flat tire using a patch kit or replace a popped inner tube. These skills can be valuable on the go.
  • Regular Check-ups: Emphasize the importance of regular bike check-ups to catch and address issues early on.
  • Safety Gear: Teach your child to wear a helmet and follow safety rules while riding. Explain that safety gear helps prevent accidents.
  • Respecting the Bike: Instill a sense of ownership by teaching your child to treat the bike with care and respect.

You are helping your youngster in developing into a more autonomous and responsible bike owner by teaching them these fundamental bike maintenance techniques. These abilities not only increase the life of the bike but also instill pride in maintaining one’s possessions.


Both parents and children can benefit from learning how to reinstall a bike chain on a child’s bike. You can make sure that your child’s bike is always prepared for a fun and safe trip by carrying out these easy procedures and basic bike maintenance.


1. Can I use any lubricant on the chain?

It’s best to use a bike-specific lubricant to ensure optimal performance.

2. How can I tell if the chain is too loose?

A loose chain may sag and make noise while riding. It’s important to maintain proper tension.

3. Should I attempt to fix the chain if it’s severely damaged?

In cases of significant damage, seeking professional help is recommended.

4. What age is appropriate to start teaching kids bike maintenance?

Around the age of 8 or 9, kids can start learning basic bike care.

5. How often should I inspect my child’s bike?

Regularly check the bike’s condition, especially if it’s frequently used. Once a month is a good guideline.

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