Standard Mountain Bike Tire Size

Most mountain bikes today are offered in one of two wheel sizes.

Standard mountain bike tire size.

Every tire comes with a slightly different experience and the size and width is what impacts this the most. Mountain bike size chart. Whether you re mountain biking on dry trails in utah or through the waterfalls of iceland having the right tires is crucial for the best riding experience. Nowadays bike tires are typically marked according to iso standard a system originally developed by etrto european tire and rim technical organization but older english and french tire size dimensions are still used as well use the data from the following tables to determine interchangeability and convert between iso etrto english.

700x25c indicates a tire with a 700mm outer diameter and a 25mm width. 27 5 also know as 650b or 29 called 29ers with traditional 26 wheels reserved for dirt jump freeride and kids bikes. 26 iso size 559 is the most commonly used size for modern mountain bikes and is also used by many hybrid bikes. Trail and all mountain bikes will have tires in the 2 25 to 2 4 width range.

A tire size you might see on a road bike. For standard hardtails our mountain bike size chart should be a god send. 29 x 2 3 indicates a tire with a 29 outer diameter and a 2 3 width. A hybrid of road and mountain tires cyclocross tires are labeled as 700c and have widths indicated in millimeters like road bikes yet are knobbie like mountain bike tires.

Mountain bike tire size and width. Conversion tables for common bicycle tire sizes. While 26 inch wheels are still considered the standard for mountain bikes 29 inch wheels are fast on their heels. So make sure you look at a tire size chart and try a full suspension mountain bike for size before buying.

Sizes written as decimals such as 2 75 are different than sizes expressed as fractions such as 2 3 4. These would usually be measured in inches 26 27 etc or millimeters 650 700 etc. There are multiple tires to consider and it s important to understand tire size. 27 iso size 630 is an older size that was used for road bikes but since so many bikes were built with this size it is still readily available.

Read the size carefully. A tire size you might see on a mountain bike. A third type of tire size might appear on either a mountain or a road tire. A cross country bike will have tires in the 1 9 to 2 25 width range.

There are five tire diameter sizes that are in common use on modern standard adult bicycles. And right behind those big 29ers are wheels of yet another size. Generally bike tire sizes are indicated with two numbers that correspond roughly to the outside diameter of the tire and the width of the tire. 29 x 2 0.

Sometimes referred to as 650b the 27 5 inch wheel fits right in between the 26 and 29 inch offerings.