Mountain Bike Tire Width Sizes

26 inches 27 5 inches and 29 inches.
Mountain bike tire width sizes. Some special tires can even be wider up to 3 inches with some models. The sizes you commonly see for mountain bike wheels like 26in 27 5in and 29in all refer to the outside diameter of the wheel with the tire fully inflated. Typical mountain bike tire. Mountain bike tire size and width.
This varies from 1 6 to 2 5 inches. Trail and all mountain bikes will have tires in the 2 25 to 2 4 width range. Tires come in three diameters. These sizes can be thought of as a sort of shorthand for decimal sizes each with a corresponding iso measurement.
Check your tire s sidewall the numbers there indicate your tire size roughly its outer diameter and its width but not always in that order. Once you ve identified your tire diameter 29 27 5 or 26 you ll want to dial in your width. Downhill bikes which are meant to withstand the abuse of drops and rock gardens are typically equipped with tires up to 2 5 wide.