Mountain Bike Tire Sizes Front Back
Read our review on the michelin wild rock r2 all mountain tire.
Mountain bike tire sizes front back. Fat bikes have tire width over 3 7. Frame limitations while there is generally quite a bit of room in the front suspension fork a 2 3 2 5 tire can probably fit the frame can only accommodate a certain size tire. For downhill bikes the tire width can go up to 2 5. This varies from 1 6 to 2 5 inches.
We now have several models in the 2 5 and 2 6 widths that are becoming much more common in the current mountain bike tire market. All mountain and trial bikes have tire width in the range of 2 25 to 2 4. On the typical cross country mountain bike you won t get bigger than a 2 1 tire back there. Some special tires can even be wider up to 3 inches with some models.
Tread profile is also important. Most riders prefer a tubeless system. Tires are also measured in width. At the extreme end there are 69er and 96er mountain bikes that mix and match 29 622 and 26 559 wheels on the same bike as well as terry women s bikes with 24 520 front wheels and 700c 622 rear.
It s important to note that you cannot mix fractional markings with decimals. It s lighter requiring less energy to rotate. 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. Tubeless tires are recommended when you want lower tire pressures.
By necessity those run very different tires front and rear. Tires come in three diameters. Previously the tire was only available in a 2 3 inch width and the brand released the new version in june 2018 in 2 5 and 2 6 inch widths. A cross country bike will have tires in the 1 9 to 2 25 width range.
Alongside the tire size you have the option of running tubeless or tubed tires. 26 inches 27 5 inches and 29 inches. With mountain bikes you re mostly safe from fractional sizes but it s worth mentioning them for completeness. We mounted tires to 30 mm internal diameter wheels.
Cross country bikes have tire width between 1 9 and 2 25. Share a link to this answer. Mountain bike tire size and 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.
As tires continue to trend wider so too are the tires in our test. Typical mountain bike tire. Sticking with only a wide front tire is a good compromise. When wtb redesigned the vigilante last year they went all out on a modern front tire for aggressive mountain biking.
This is also why a narrow tire goes on the rear wheel. We selected tires in the 2 3 to 2 6 inch width range. Trail and all mountain bikes will have tires in the 2 25 to 2 4 width range. Measurements like 26 1 which is the 27 5 size and 28x two fractions which is the 29 size are fractional inch markings.
Once you ve identified your tire diameter 29 27 5 or 26 you ll want to dial in your width.