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Nov 05, 2026

How do I replace the chain on a good quality BMX bike?

Hey there, fellow BMX enthusiasts! I'm a supplier of Good Quality Bmx Bikes, and I know how important it is to keep your BMX bike in top shape. One of the most common maintenance tasks you'll need to do is replacing the chain. In this blog post, I'll walk you through the process of replacing the chain on a good quality BMX bike.

Why Replace the Chain?

Before we dive into the replacement process, let's talk about why it's important to replace your BMX bike chain. Over time, the chain on your bike will wear out due to normal use. A worn-out chain can cause a number of problems, including:

  • Poor shifting: A worn chain can cause your gears to shift poorly, making it difficult to ride smoothly.
  • Increased wear on other components: A worn chain can also cause increased wear on your gears and sprockets, which can lead to costly repairs down the road.
  • Safety issues: A worn chain can break while you're riding, which can be dangerous.

By replacing your chain regularly, you can avoid these problems and keep your BMX bike running smoothly.

Tools You'll Need

Before you start replacing your chain, you'll need to gather a few tools. Here's what you'll need:

  • Chain tool: A chain tool is used to break and rejoin the chain. You can find chain tools at most bike shops or online.
  • New chain: Make sure you get the right size chain for your BMX bike. You can usually find the size of your chain on the side of the old chain.
  • Lubricant: You'll need to lubricate the new chain after you install it. You can use any type of bike lubricant, but make sure it's designed for use on BMX bikes.
  • Pliers: You may need pliers to remove the old chain and install the new one.

Step-by-Step Guide to Replacing the Chain

Now that you have all the tools you need, it's time to start replacing the chain. Here's a step-by-step guide to help you through the process:

Nice Bmx BikesGood Quality Bmx Bikes

Step 1: Remove the Old Chain

The first step is to remove the old chain from your BMX bike. Here's how to do it:

  1. Shift your bike into the smallest chainring and the smallest cog on the rear cassette. This will make it easier to remove the chain.
  2. Use your chain tool to break the chain. Insert the pin of the chain tool into the hole in the chain and turn the handle until the pin pushes through the link.
  3. Once the chain is broken, remove it from the bike.

Step 2: Measure the New Chain

Before you install the new chain, you'll need to measure it to make sure it's the right length. Here's how to do it:

  1. Lay the new chain out on a flat surface.
  2. Count the number of links in the old chain. You'll need to use the same number of links in the new chain.
  3. If the new chain is too long, you'll need to remove some links. Use your chain tool to break the chain at the appropriate link.

Step 3: Install the New Chain

Now it's time to install the new chain on your BMX bike. Here's how to do it:

  1. Thread the new chain through the derailleur and around the chainring and cassette.
  2. Use your chain tool to rejoin the chain. Insert the pin of the chain tool into the hole in the chain and turn the handle until the pin pushes through the link.
  3. Make sure the chain is properly seated on the chainring and cassette.

Step 4: Adjust the Chain Tension

Once the new chain is installed, you'll need to adjust the chain tension. Here's how to do it:

  1. Shift your bike into the largest chainring and the largest cog on the rear cassette.
  2. Use the derailleur adjustment screws to adjust the chain tension. The chain should be tight enough so that it doesn't sag, but not so tight that it's difficult to pedal.
  3. Check the chain tension by pressing down on the chain between the chainring and the cassette. The chain should move up and down about 1/2 inch.

Step 5: Lubricate the Chain

Finally, you'll need to lubricate the new chain. Here's how to do it:

  1. Apply a small amount of lubricant to the chain. Make sure to apply the lubricant to each link of the chain.
  2. Use a clean cloth to wipe off any excess lubricant.
  3. Ride your bike for a few minutes to distribute the lubricant evenly.

Tips for Maintaining Your BMX Bike Chain

Now that you've replaced the chain on your BMX bike, it's important to maintain it properly. Here are some tips to help you keep your chain in good condition:

  • Clean the chain regularly: Use a chain cleaner and a brush to clean the chain after each ride. This will help remove dirt and grime from the chain and prevent it from wearing out quickly.
  • Lubricate the chain regularly: Apply a small amount of lubricant to the chain after each ride. This will help keep the chain running smoothly and prevent it from rusting.
  • Check the chain tension regularly: Use a chain tension gauge to check the chain tension regularly. If the chain is too loose or too tight, adjust it as needed.
  • Replace the chain when it's worn out: A worn-out chain can cause a number of problems, so it's important to replace it when it's worn out. You can usually tell when a chain is worn out by looking at the links. If the links are stretched or worn, it's time to replace the chain.

Conclusion

Replacing the chain on a good quality BMX bike is a relatively simple process that can be done with a few basic tools. By following the steps outlined in this blog post, you can replace the chain on your BMX bike and keep it running smoothly. If you have any questions or need further assistance, please don't hesitate to contact us. We're a supplier of Good Quality Bmx Bikes, and we're always happy to help. Whether you're looking for a Framed 20 Inch Bmx Bike or Nice Bmx Bikes, we've got you covered. If you're interested in purchasing our products or have any inquiries, feel free to reach out to us for a procurement discussion.

References

  • "BMX Bike Maintenance Guide." BMX Action Magazine.
  • "How to Replace a BMX Chain." Park Tool.
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