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The air comes from the atmosphere. It is compressed by the pump and forced, through a valve into the tire.

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Q: When you inflate a tire where does the air come from?
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Related questions

What would you put in your bicycle tire to inflate it?

air with an air pump


What goes in a tire?

Air or nitrogen is used to inflate tires


Is there any need of air or water medium for tubeless tire?

Well obviously there is a need for air, how else would you inflate the tire .


What causes the air pressure in a bicycle tire?

Air is put in with a pump or a compressor, either way it becomes pressurised to inflate the tire.


What does PSI stand for on a tire?

That is Pounds per square inch. The amount of compressed air to inflate the tire


How can you prove that a air takes space?

Blow up a balloon or inflate a tire.


How much air pressure in a 19.5-24 tire?

That depends how much you inflate it.


Inflate tire with fire?

By putting a flammable gas around the rim of the tire and then lighting the gas, you create a vaccum that sucks up the air around it, in this case, sucking the tire onto the rim. It stills need to be filled with air.


What happens when you pump air in a tire?

To put it pain and simply the tyre will go up. (inflate) This is because the more air you put is the more particles there are in the tyre, the more particles the more the tyre will go up. (inflate)


Do cold tires inflate when they become warm?

Yes, cold tires will inflate when they are warmed up because the air inside the tire is expanding as it becomes warmer. That's why it is never recommended to pump up a tire past the maximum psi posted on it.


To fill with air?

To fill with air is to inflate


Why does tire becomes warm when air is being pumped into it?

This could be caused by one or More of these factors. The Air Compressor that supplies the air heats the air before it gets to the tire. Feel the air to see if it is hotter. The air temperature rises as the pressure increases. So as you inflate the tire to raise the pressure, the temperature also rises.