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Bicycle Tire Pressure Calculator

Calculate the ideal tire pressure for your bike tires (MTB, Road, Gravel). Optimize your performance, comfort, and safety on every ride.

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Why proper tire pressure is crucial?

Adequate tire pressure is far more than just a minor detail—it's essential to your cycling experience. Here's why:


IMPROVED GRIP & SAFETY

Properly inflated tires maintain maximum contact with the surface, enhancing traction in turns, braking, and climbing. This reduces the risk of slipping and accidents.


REDUCED RISK OF PUNCTURES

Too-low pressure increases the likelihood of pinch flats (when the tube gets pinched between the rim and an obstacle) and can damage rims. Proper pressure protects both your tires and rims.


INCREASED COMFORT

Slightly lower tire pressure absorbs bumps and vibrations from roads or trails, providing a smoother and more comfortable ride—especially on long rides.


OPTIMIZED EFFICIENCY & SPEED

Contrary to popular belief, overinflated tires aren't always faster. Optimal pressure reduces rolling resistance on rough surfaces by allowing the tire to deform and absorb irregularities, rather than bouncing.


EXTENDED TIRE LONGEVITY

Correct pressure ensures even tire wear, extending their lifespan and saving you money in the long run.


PREVENTION OF RIM DAMAGES

Especially in MTB, underinflated tires can cause harsh rim impacts against rocks or the ground, leading to dents or cracks.


Taking a few seconds to check and adjust tire pressure before each ride maximizes your cycling enjoyment, safety, and bike performance.


Good Ride!

F.A.Q

FREQUENTLY ASKED QUESTIONS ABOUT BICYCLE TIRE PRESSURE

To measure your tire pressure, you'll need a bicycle pump fitted with a pressure gauge. Connect the pump to your tire's valve (Presta or Schrader), and the manometer will display the current pressure in Bar or PSI. It's a good idea to check the pressure before every ride, or at least once a week, as tires can lose air naturally. Pressure gauges are also available without a pump.
Bar and PSI (Pounds per Square Inch) are two units of pressure measurement commonly used in the cycling world. Bar is a metric unit (more commonly used in Europe), while PSI is an imperial unit (more commonly used in the USA and UK).

To convert:

1 Bar is approximately equal to 14.5 PSI.

1 PSI is approximately equal to 0.069 Bar.

Our calculator provides results in both units for your convenience.
Your tire pressure should be adjusted regularly, as it has a direct influence on your comfort, bike performance, grip and puncture resistance.

You should adjust your tire pressure:

  • Before every important ride to ensure optimal conditions.
  • Depending on the terrain: higher pressure for smooth roads, lower for gravel or technical MTB trails.
  • According to the weather: slightly lower pressure can offer more grip on wet surfaces.
  • Based on your weight and equipment: the heavier you are, the higher the pressure should be.
  • If you change your tire setup: new, wider or narrower tires, switching to tubeless, adding inserts, etc.
The right pressure reduces rolling resistance, improves shock absorption and reduces the risk of pinching.
Too low bike tire pressure increases rolling resistance (you're pushing harder), the risk of a pinch puncture, premature tire wear, and can cause steering to become blurred.

Conversely, too high tire pressure reduces comfort (you feel every bump), reduces grip (especially on wet or uneven surfaces), and can lead to excessive bouncing and loss of control.

Yes, our calculator is designed to be versatile. It takes into account the specifics of road, mountain (Cross-country, Trail, Enduro, Downhill), Gravel and E-bike bikes, as well as the different types of mounting (inner tube, Tubeless, Insert) to offer you a pressure recommendation adapted to your riding.
Tubeless tire mounting system. Tire and rim form a sealed envelope, often with the aid of a preventive fluid.

Advantages: reduces pinch punctures, allows riding at lower pressures, improves comfort and grip.

A strip of foam placed inside a tubeless tire, between the tire and the rim. Provides extra protection against punctures (especially pinches), allows riding at even lower pressures, protects the rim and can offer a temporary run-flat.

Road:
Type of bike designed for speed and efficiency on asphalt. Generally uses thin tires and high tire pressure.

Gravel:
A versatile type of bike, somewhere between a road bike and a cross-country mountain bike, designed for riding on asphalt, dirt roads and tracks. Uses intermediate-width tires with variable pressure depending on the terrain.

Cross-country MTB (XC):
MTB discipline focused on performance and speed on hilly, technical but not extreme terrain. Light tires with pressure optimized for performance.

Trail MTB:
MTB discipline focused on versatility and fun, on trails more technical than XC but less extreme than Enduro. Tires with good grip/rolling properties.

Enduro MTB:
MTB discipline combining uphill phases and timed downhill stages on highly technical terrain. Requires robust tires with the right pressure for shock absorption and downhill grip.

Downhill MTB (DH):
Pure downhill MTB discipline on fast, highly technical terrain. Wide, resistant tires, with pressure optimized for shock absorption and maximum grip.

E-bike (electrically assisted pedal cycle):
Bicycle equipped with an electric motor to assist pedaling. The extra weight of the bike and the power of the motor often require slightly higher tire pressures and more robust tires.

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