tire

Also known as tyre, Tires, automotive tire

thumb|Tire on a truck thumb|Assorted new automotive road tires, showing a variety of tread patterns. thumb|Tractor tires have substantial ribs and voids for traction in soft terrain.

AI overview

A tire is a rubber covering that wraps around a wheel to provide traction and support for vehicles on the road. Different types of tires, like those on trucks and tractors, have varying tread patterns designed to work best on different surfaces, from paved roads to soft terrain.

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Commons category: Tires

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~59 min read

Article

42 sections

Contents

Etymology and spelling
History
Applications
Automotive
Light–medium duty
Heavy duty
Other
Construction types
Automotive
Other
Manufacturing
Components
Tread
Other
Blems
Materials
Cords
Elastomer
On the wheel
Performance characteristics
Dynamics
Forces
Load
Wear
Sizes, codes, standards, and regulatory agencies
Americas
Europe
Asia
Maintenance
Inflation
Hazards
Tire failure
Vehicle operation failures
Health impacts
End of use
Environmental issues
Retreading
Recycling
Other uses
See also
References
External links

thumb|Tire on a truck thumb|Assorted new automotive road tires, showing a variety of tread patterns. thumb|Tractor tires have substantial ribs and voids for traction in soft terrain.

A tire (North American English) or tyre (Commonwealth English) is a ring-shaped component that surrounds a wheel's rim to transfer a vehicle's load from the axle through the wheel to the ground and to provide traction on the surface over which the wheel travels. Most tires, such as those for automobiles and bicycles, are pneumatically inflated structures, providing a flexible cushion that absorbs shock as the tire rolls over rough features on the surface. Tires provide a footprint, called a contact patch, designed to match the vehicle's weight and the bearing on the surface that it rolls over by exerting a pressure that will avoid deforming the surface.