Mountain Bike Tire Pressure Psi

To begin start with a higher pressure in your tires so you can feel what a very high pressure feels like if you run tubeless and are not really heavy try 2 2 bar 35 psi front and back if you are heavier than 80 kg or run tubes try 2 4 bar 40 psi.

Mountain bike tire pressure psi. Ride with this pressure for a while and get a feel for how the tires hook up in corners and on loose dirt. The back tire also tends to take more of a beating. The heavier you are or the smaller your tires the higher pressure you should start with. Begin by inflating your tires to the middle of the range adjusting the inflation depending on your weight.

Imagine you ve purchased a new set of mountain bike tires that recommend a range of at least 35 and no more than 60 psi. How to find the tire pressure sweet spot. If you weigh between 150 and 180 lbs this pressure will be fine for most riding conditions. Most people run more pressure in their rear tire usually 2 3 psi more because there is more weight on your back tire.

Lighter riders can go lower and start off at 40 psi. For tubeless systems start much lower 30 to 40 psi. If you re a heavier rider you may want to start off at around 50 psi for each tire. Some mountain bikers will inflate their tires significantly below manufacturers recommendations.

Start with a higher pressure somewhere around 40 50 psi 3 3 5 bar for 2 2 2 3 inch tires. A general rule of thumb states that heavy riders need more pressure. According to vorm walde as casing tension decreases lower casing tension lets the tire deform more under the same load. The trick with mountain biking or any riding on a varied surface is to find the tire pressure sweet spot for your weight.

Again with a wider tire you can run lower like 20 psi rear 18 psi front. It is not uncommon to find 120 lb high school mountain bike racers showing up with 45 psi in their tires.