Glossary of Tyre Terms
Is the ratio of the height of the tyre's cross-section to its width. 65 means that the height is equal to 65% of the tyre's width.
This is that part of the tyre that contacts the rim on the wheel and it fits close to the two rims on the wheel to ensure that a tubeless tire holds air.
Is the registered trademark for a synthetic fibre developed in 1965.
Is a number that corresponds to the maximum load in kilograms that a tyre can support when properly inflated. You will also find the maximum load in pounds and in kilograms moulded elsewhere on the tyre sidewall.
Are comprised of a flexible material (such as rubber) with reinforcing materials such as wire.
Is the bridge between the tread and bead.
Is a chemical compound also known as silicon dioxide and is added to the rubber in tyres.
The raised rubber on the surface of the tyre which makes contact with the road.
Defines the proper use of the tyre. “P” means this is a Passenger car tyre. If the tyre had an “LT” then the tyre would be for a Light Truck.
This Is the width of the tyre measured in millimetres from sidewall to sidewall.
Is the width of the wheel from one end to the other.