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Bicycle Tyre Pressure Calculator

Finding the right bike tyre pressure can completely change how your bicycle feels on the road or trail. Our Bicycle Tyre Pressure Calculator helps you set the perfect PSI based on your weight, bike type, and riding style whether you ride road, gravel, mountain, or hybrid.

Enter Total System Weight (Rider + Bike + Gear)

Surface Condition

Measured Tyre Width

Use measured width on your rim if possible.

Wheel Diameter

Tyre Type

Average Speed

Weight Distribution

Ensure that the pressure shown does not exceed the max pressure written on your tyre or rim.

If both your tyre and rim specifies a maximum inflation pressure, always use the lowest value shown.

With hookless rims never exceed 5.0 bar / 72 psi, if you are unsure about your result or need further assistance, please contact us.

Why Correct Bike Tyre Pressure Matters

Running tyres too soft can cause punctures, sluggish speed, and poor efficiency. Too hard and you’ll suffer from reduced grip, harsh ride quality, and faster wear. With the right tyre pressure, you’ll enjoy:

  • Faster rolling speed on roads and tarmac
  • More grip and control on gravel or MTB trails
  • Reduced risk of pinch flats and blowouts
  • Greater comfort for long-distance cycling

Our calculator aims to take the guesswork out by tailoring PSI recommendations for your exact setup.

Frequently Asked Questions

How often should I check tyre pressure?

Tyres naturally lose air over time. For consistent performance, check your pressures before every long ride and at least once a week for regular use.

What happens if tyre pressure is incorrect?

Tyres that are too low in pressure can feel sluggish, increase the risk of pinch flats, and make the bike unstable while also placing extra strain on sidewalls and rims. On the other hand, overinflated tyres reduce comfort and grip, tend to bounce off road imperfections instead of absorbing them, and wear out faster along the centre of the tread.

Is front and rear tyre pressure always the same?

Not necessarily. The rear wheel usually carries more of the rider’s weight, while the front tyre plays a bigger role in steering and control. Many cyclists run slightly different pressures between front and rear.

Do temperature changes affect tyre pressure?

Yes. Air inside your tyres expands when heated and contracts when cooled. A bike left in the sun or ridden on a hot day may show a noticeable pressure increase compared to when checked in cooler conditions.

Why does system weight affect tyre pressure?

The heavier the rider, the more the tyres compress against the road. Adjusting pressure based on weight ensures the tyre maintains its shape, improves rolling efficiency, and prevents unnecessary wear.

Do wider tyres always need less pressure?

Wider tyres have a larger air volume, which naturally spreads the load. This means they can achieve comfort and grip at lower pressures compared to narrow tyres, even though both can be optimised for performance.

How does terrain influence tyre pressure?

Smooth tarmac, rough gravel, and technical off-road trails all place different demands on tyres. Adjusting pressure to match terrain helps balance rolling resistance, grip, and comfort.