Some special tires can even be wider up to 3 inches with some models.
Mountain bike tire width sizes.
Typical mountain bike tire.
A cross country bike will have tires in the 1 9 to 2 25 width range.
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.
Mountain bike tire size and width.
Tires are also measured in 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.
Tires come in three diameters.
Trail and all mountain bikes will have tires in the 2 25 to 2 4 width range.
26 inches 27 5 inches and 29 inches.
2 2 and 27 5 indicate a tire that has a width of 2 2 and an outer diameter of 27 5.
Once you ve identified your tire diameter 29 27 5 or 26 you ll want to dial in your width.