Take a look at your car’s tire and you notice some numbers and letters and symbols – yes those ones you have become so well accustomed to snubbing. What if I told you that those characters held the keys too useful information about your tires? Well they do. Here are their meanings:-
Tyre type – The letter P, indicates that it is for passenger vehicles. Another variant would be LT for light trucks and so on.
Tyre width – the first set of three numbers indicate the width of the tyre from one side wall to the other.
Aspect Ratio – the ratio of the height of the tyre’s cross section to its width. E.g. the 65 means that the height is equal to 65% of the tyre’s width.
Construction – The letter R stands for Radial, which means the layers run radially across the tyre.
Wheel diameter – the size of wheel that is made to fit into the tyre e.g the tyre is made for a 15” tyre.
Load index – indicates the maximum load that can be supported by the tyre when properly inflated.
Speed rating – tells you the maximum speed capability of the tyre. This is often matched to the top speed capability of the vehicle.
You are now up to date on matters of tyres, be sure to enjoy your trips and drive safely when you go out.