How to read your tyre size
When buying replacement tyres, you will need to know your tyre size information you will be able to get this from the sidewall of the existing tyre to ensure you select the correct replacement tyre for the vehicle.
Tyre Width
The tyre width is a 3 digit number that is followed by a ‘/’. This is the width of the tyre in millimeters. e.g. 225
Aspect Ratio
Also referred to as the tyre profile, this is the two digits that appear to the right of the ‘/’ just after the tyre width, before the letter ‘R’ e.g. 55
Rim Size
The rim size is the rim diameter of the tyre. It is a two digit number that can be found just after the letter R on the sidewall. e.g. 16.
Speed Rating
The speed rating is represented as a letter of the alphabet and can be found to the right of the load index – It is usually the last character shown in the tyre size string. e.g. V
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