How do you read bike tire sizes?

The first number is the diameter of your wheel. Sizes such as 26, 24, 20, 27.5, 29 and 700c are common tire diameters. The second number (after the X) is the width of your tire. The range for widths is usually between 1 and 3 inches.

What size is a 26 inch bike tire?

As with most bike wheel naming conventions, the term ’26 inch’ does not refer to the diameter of the wheel itself, but rather the approximate outside diameter of the tire that fits this wheel size. The actual ISO diameter of a traditional 26″ wheel is 559 millimeters.

What size tire is on a 20 inch bike?

20″ Tires: Twenty-inch recumbent wheels use either 406mm or 451mm tires. The 406mm wheels are the most common and can be fit with tires ranging from skinny to fat. Common tire sizes for 406mm wheels are 20×1 1/8″, 20×1.

What do bike tire dimensions mean?

Generally speaking,Bicycle tire measurements have two components. The larger number is the tire diameter in inches, and the smaller number is the tire width in inches. Tire diameter usually ranges from 12 to 26 inches, and tire width normally ranges from 1.75 to 2.215 inches.