How To Find Your Perfect Tire Pressure

Dialing it in can mean difference between control and chaos

How To Video
How To Find Your Perfect Tire Pressure

Choosing wisely means the difference between control and chaos, which is why it’s so important to know how to find your perfect tire pressure.

Are you struggling to find that perfect psi for your tire set up of choice? You’re not alone. It’s a complicated matrix with a lot of variables at play, including rider weight, tire width, tire casing, trail conditions, and personal preference.

How To Find Your Perfect Tire Pressure

Trail conditions are a big factor in knowing how to find your perfect tire pressure.

To navigate these tricky waters check out this video from the Global Mountain Bike Network on how to find you perfect tire pressure. Watch and learn.

Now that you’ve soaked that in let us know how you dial in your personal tire pressure set-up, and be sure to check out this primer on choosing the right mountain bike tire (another hugely important decision). And of course, check out more videos and How To content on Mtbr.

About the author: Mtbr is a site by mountain bikers for mountain bikers. We are the best online resource for information for mountain bikers of all abilities, ages and interests.

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  • Carlos says:

    Easy. Rider’s weight divided by 7 = front tire’s PSI. Add 2 PSI for rear tire.

    • PSI? PSU! says:

      Then adjust for tubeless or not, easy. Oh wait, then adjust for the tire width, easy. Oh wait, then adjust for the rim width, easy. Oh wait, then adjust for tire volume, easy. Oh wait, then adjust for tire carcass construction, for example Maxxis MTB tires have EXO, EXO+, DoubleDown and DH), easy?

      Based on your suggestion I should be running 26 front and 28 rear… when I’ve found 18 front and 23 rear work great for me. This is based on running 29 inch Schwalbe Magic Mary’s in 2.35 width with the Super Gravity casing on 30mm internal width rims.

    • DJ says:

      I like that. It gets you to a good starting point, then factor in all the other variables.

    • grant says:

      That equation is close for me. 170lbs w/ hydration pack. Maxxis EXO DHF and R 30ID rims 25-26psi front 26-27psi rear on a santa cruz nomad. Any lower and I’ll burp the tire in the corners.

    • gary says:

      a simple equation like that only works if all tires are same width, all wheel diameters are the same, and all tires sidewall have the same construction

    • Reamer says:

      Would lead to insanely high pressure for me. I’m 220lbs and run 15PSI in front, 18 rear. Tire size is a factor — so weight/7 might work with a 2.0′ tire on a narrow rim, but not with a 29×2.6″ tire or a 29×3.0 tire (12 psi front & rear)

  • Stekro says:

    I´m 164 lbs/ 74kg, running 29×2.35 Magic Mary front with 14.5 psi and 29×2.35 Hans Dampf with 17.0 psi rear.

    I´ve tried 23 psi front and 25 psi rear, not really that sweet.

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