Friday, May 31, 2024

Tyre Markings & Tyres Sizes Explained


car tyre size

Tyre Width: The tyre width rating is a number given in millimetres and is measured from the maximum width of the tyres midpoint of its sidewall to the same point on the opposite sidewall. Wider tyres can offer better grip but can create excessive amounts of road noise.

Tyre Aspect ratio: Also known as the tyres profile, the tyre aspect ratio relates to the depth of the sidewall. The height of the tyre’s sidewall is expressed as a percentage of the tyres section width. It can be worked out by dividin

HOW TO READ A SIDEWALL Sizing Information

Sizing Information


Sizing information molded on the tire sidewall provides a significant amount of detail about the tire. Once you know how to decode the data, you’ll be able to better understand the tire's intended purpose, dimensions, load capacity, speed and much more.

Service Type or Size Designation


Some tire size designations s