How to find out my tyre size?
Your tyre size, speed and load rating area mixture of numbers and letters similar to those below:
Tyre Size Example: 240 40 R20
- Tyre Width - 240 is the width in millimetres. For standard tyres, this number varies between 125 and 335 millimetres.
- Height - 40 is the height of the tyre as a percentage of the tyre width (240).
- R - means the tyre is a radial construction.
- Diameter - 20 is the diameter of the tyre.
The letter ‘E’ should also be stamped on your tyre which means the tyre complies with European Safety Standards.
The additional part
- Load Index '99' - is an index showing the maximum load the tyre at the speed designated by the speed symbol.
- Speed symbol 'W' - relates to the maximum speed at which the tyre can travel with a full load.