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How To Find Bicycle Tyre Size?

Apr 14, 2025

Here are some ways to find the size of your bicycle tire:

 

Check the markings on the side of the tire: This is the most direct and accurate method. There is usually a series of numbers and letters on the side of the tire, such as "26×1.95", where "26" means the tire has a 26-inch rim diameter and "1.95" means the tire is 1.95 inches wide. Some tires may also have other information marked on them, such as the type of tire, air pressure range, maximum weight capacity, etc.

 

Check the bicycle manual: The manual of the bicycle will generally have a detailed description of the bicycle specifications, including tire size. If you buy a new bicycle, the manual will usually come with the bicycle, and you can check the relevant content to determine the tire size.

 

Check the rim markings: There may also be some markings on the rim to help determine the tire size. For example, the rim may be marked with the value of "ERD" (Effective Rim Diameter), which can be combined with some other parameters to calculate the approximate size of the tire. However, this method is relatively complicated and not as accurate as directly checking the tire markings.

 

Online query or consultation: If you cannot find the tire size through the above methods, you can check the tire specification information of the model on the official website or related bicycle forums, according to the brand and model of the bicycle. In addition, you can also consult bicycle dealers, repair shops, or manufacturer customer service, who can usually provide accurate tire size information.

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