What Do I Need to Learn About My Car Tyres?

What Do I Need to Learn About My Car Tyres?

Tyres are the most important and expensive component of a vehicle. They are responsible for the traction which gives stability for acceleration, braking and cornering. The vehicle needs to work in harmony with the vehicle. That is why a tyre must be a fit for the vehicle. To ensure you know what is the correct size for your vehicle manufacturers mention the size in the car manual.

What size is my tyre?

You might know which size is necessary for your vehicle but how to find that one tyre. Look closer to the tyre. You will notice some markings on the sidewall of your tyre. These markings include the size of your vehicle and other specifications. The marking is in a coded form. To compare the size of the tyre one has to decipher these codes. Now it might seem that knowing what each code mean you can decipher the whole code. But that is not true. It is pretty tricky to crack the code in one go. We can always help you with Yokohama tyre reading.


The application of buy tyres reading is very important. They tell us what kind of tyre is suitable for a particular car. For example, tyres with P marking mean the tyre is suitable for passenger cars.

Width of the tyre

The width of the tyre is measured in millimetres. Usually, the wide width tyre is recommended to drivers who like to go off-roading and long drives on hilly areas. Although a wide width tyre does not give much fuel efficiency. Also, they give poor performance in streets as the driver has to stop and go now and then.

Aspect ratio

The height of the tyre concerning the width of the tyre is the aspect ratio. However, the aspect ratio mainly tells the height of the tyre. For example, if the aspect ratio of the tyre is 55 that means the height of the tyre is 55 per cent of the width of the tyre.


The rimmed case of the tyre has a different construction. R means radial construction, B means bias-ply construction and D means diagonal construction.

Diameter of the rim

The diameter or the rim or the height of the rim is measured in inches.

Load index

The tyres endure the entire weight of the vehicle. But putting more weight on them might lead to blowing out because of the pressure. To tell you how much weight is okay the manufacturers mention the load index. The load index is the maximum amount of weight that a tyre can carry. For instance, a car has a load index of 95, which mean the tyre can carry up to 950kgs.

Speed rating

Every tyre has a maximum limit that it can sustain. Because not every tyre is made for race tracks and not every tyre works efficiently in the streets. That is why the sidewall of a tyre contains the speed ratings of a tyre. If the tyre has marking H, which means the speed rating of the tyre is 210km/h. Or if the tyre says Y which means the tyre has a speed rating of 300km/h. Although these are not the exact speed rating because finding an exact speed is impossible. That is why these speed ratings are just the average speed at which a tyre can sustain. Usually, speed ratings are above the legal speed limit. Hence, we discourage speeding at the highest speed rating.

In addition to the sequence, a tyre has some other specifications too. These specifications might help to decide better which tyre you require.


SSR stands for self-supporting flat-run tyres. Tyres with SSR marking are designed with reinforced walls. These walls protect the tyre from blowing out in an unfortunate incident of sudden puncture. Also, these layers help the tyre to release air as slowly as possible giving you enough time to get to a safe place.


Mostly winter tyres have M+S marking. This means the tyres can work efficiently on snowy or muddy roads.


The DOR marking is an approval stamp that the tyre is complaint with the department of transportation.

Direction arrow

There are different tread patterns in the market. These Yokohama tyres Reading are fitted in a particular direction. Hence, the directional arrows help to tell you to find the direction of the fitting.

Week and year of manufacture

Manufacturers want to make sure you know the age of your tyre. That is why sidewalls of the tyre have the week and year of manufacture. For instance, the tyre says 26/20, this means the tyre was manufactured in the 26th week of 2020.

Even after knowing what these markings mean, it is still overwhelming to get them right in a go. Buy tyre reading with us. We aim to satisfy our customers. That is why with our professional and skilled operator assisting you, you can never choose the wrong tyre for your vehicle. So come and enjoy our services now.