How to Measure the Bottom Bracket of Your Bike

The bottom bracket of your bike is one of the most important parts. It holds the crank arms and pedals in place, and if it’s not properly cared for, it can wear down quickly.

That’s why it’s important to know how to measure the bottom bracket of your bike, so you can keep an eye on it and make sure it stays in good condition.

In this post, we’ll show you how to measure the bottom bracket of your bike, step-by-step.

How to Measure Bottom Bracket

To measure the bottom bracket of your bike, you’ll need a few tools: a tape measure, a Phillips head screwdriver, and an Allen wrench. You’ll also need a friend to help you hold the bike steady while you work.

First, use the Phillips head screwdriver to remove the bolts that secure the crank arms to the bottom bracket. Once the bolts are removed, ask your friend to hold the bike steady while you remove the crank arms from the bottom bracket.

Next, use the tape measure to measure the width of the bottom bracket shell. The width of the shell will determine what size bottom bracket you need.

Finally, use the Allen wrench to remove the bearings from the bottom bracket shell. Once the bearings are removed, use the tape measure to measure their outer diameter. This measurement will determine what size bearings you need.

Conclusion

Now that you know how to measure the bottom bracket of your bike, you can keep an eye on it and make sure it stays in good condition.

By regularly checking on your bottom bracket and replacing parts as needed, you can extend the life of your bike and avoid costly repairs down the road. Thanks for reading!