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How to Pick the Right Size Inner Tube for a Bike

by
author image Janet Renee, MS, RD
Janet Renee is a clinical dietitian with a special interest in weight management, sports dietetics, medical nutrition therapy and diet trends. She earned her Master of Science in nutrition from the University of Chicago and has contributed to health and wellness magazines, including Prevention, Self, Shape and Cooking Light.
How to Pick the Right Size Inner Tube for a Bike
How to Pick the Right Size Inner Tube for a Bike Photo Credit Jeff Huber/Demand Media

Whether you ride your bike for sport or exercise, you can't get going unless each tire contains an integral piece of equipment -- an inner tube. This is a separate tube inside each tire that inflates with air. The width and diameter of your wheel will determine what size inner tube you need. When your inner tube requires replacement, it's easy to figure out what size to get.

Step 1

How to Pick the Right Size Inner Tube for a Bike
Photo Credit Jeff Huber/Demand Media

Place your bike in a position where the wheel can move freely. Inspect the side of the tire that needs a replacement inner tube. The tire size is printed on the side wall of the tire. For example, 26 x 1.87 indicates that the wheel is 26 inches in diameter and 1.87 inches in width. If your tires are dirty or worn, it may be difficult to locate the print.

Step 2

How to Pick the Right Size Inner Tube for a Bike
Photo Credit Jeff Huber/Demand Media

Use measuring tape to determine the diameter and width of the wheel if you are unable to locate the tire dimensions.

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Step 3

How to Pick the Right Size Inner Tube for a Bike
Photo Credit Jeff Huber/Demand Media

Visit your local bike shop to find an inner tube that is in the same range in dimension as your tire. The inner tube does not need to be exact. Inner tubes typically come in ranges, meaning an inner tube can fit a range of tire sizes. Ask a shop assistant to help you find the right size.

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References

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