Nitrogen Tyre Inflation
Nitrogen inflation means filling tyres with nitrogen instead of normal air, which already consists mostly of nitrogen.
What is Nitrogen Tyre Inflation?
Air is about 78 percent nitrogen. Supporters claim slower pressure loss and more stable pressure. Nitrogen-filled tyres can be topped up with normal air when needed.
How it works
Dry nitrogen has no moisture, and its molecules pass through rubber slightly more slowly than oxygen.
Why it matters for your car
The benefit for normal road cars is small; regular pressure checks matter far more. Do not pay extra for nitrogen instead of checking pressures.
Other terms
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