only other gas i've ever heard of being used is nitrogen.
It's nitrogen.
nitrogen
Nitrogen
Nitrogen
nitrogen
Nitrogen
Nitrogen, because it is an inert gas.
Nitrogen and oxygen = Air
The F1 tires used in Formula 1 racing are approximately 305mm wide.
They are wide to gain maximum traction and bald because they are only used on dry tracks. In wet weather, racing tires with treads are used.
Nitrogen It's volume changes less than air as the tires temperature changes.
Treadless racing tires called are slicks.