Nitrogen Filled Tyres
Recent research has shown that as nitrogen is a denser gas than oxygen, filling your tyres with it causes less leaks and gives a more balanced pressure over a longer time. This contributes to fuel economy and stability on the road.

The diagram to the right shows how the smaller oxygen molecules escape your tyre easier, whilst the larger Nitrogen ones stay in place.
At Autocentre Rushden we can use Nitrogen to fill your tyres for a small charge, try it out and see what you think.

Why Nitrogen?
There are the obvious things you can do to prolong tyre life – fortnightly checks and driving sensibly. But what about filling your tyres with nitrogen?

• Nitrogen has been used for many years in Formula 1 cars, the aircraft industry and road haulage, where consistent performance is paramount.
• Nitrogen makes up about 80 per cent of the air in tyres anyway, but getting rid of the other 20 per cent – oxygen, moisture and other contaminants – makes a tyre’s performance more consistent and predictable.
• Knowing exactly how much the gas in the tyre will expand as it heats up helps ensure maximum efficiency when everything else is driven to its limits.
• Nitrogen provides extra fuel efficiency due to the benefits of running with consistent pressures.
• Removing the oxygen also reduces oxidisation of the rubber, which can lead to premature ageing and blowouts.
• Air-filled tyres gradually lose pressure because the oxygen leaks through pores in the rubber. Nitrogen’s molecular structure means it’s less prone to permeate rubber, so pressure is maintained for longer.