Everything you’d like to know about the tyres

Tyres are often the most forsaken part of your vehicle. You may like to study the science behind your car, but tyres are not seen anything more than inflated rubber tubes. Well, if that’s the case with you, then you really need to pull up your socks and widen the horizon of your knowledge regarding them. That’s because tyres carry a great responsibility of taking you to your destination safely.

You’d agree to the fact that tyres play a mighty role in handling, cornering and braking a vehicle, since they are the only parts of the car which touch the road all the time.

A lot of science and engineering goes behind making these 225 40 r18 tyres. Different tyres work for different types of vehicles. The tread of the tyre is extremely important when it comes to driving on a particular surface in a particular season. Let us gather as much information as we can.

What does a tyre consist of?

A tyre is made up of various parts. Rubber is the main component of a tyre. It’s very important to understand the structure of a tyre to understand its modus operandi.

The tyre tread

The tread is of many types. It’s important for a tyre as it provides stability and grip on the road. You are able to handle your vehicle well even while cornering. It’s the tread that lets the tyres online withstand the high temperatures on the road which is generally created by the friction between the road surface and the tyre. The minimum legal tread depth is fixed at 1.6 mm in the UK by the government.


As the name says, it’s the side part of the tyre facing inwards and outwards. Your vehicle is able to absorb all the bumps, jerks and impacts on the road because of a sturdy sidewall. It keeps the tyre firm and rigid and has the ability to compress and expand itself depending on the terrain it runs.

Carcass of the tyre

This is specifically created to keep up with the weight of the tyre. As it can flex and compress itself, it helps in spreading the impact through the entire tyre.

The inner liner

This is mostly used on car tyres produced currently and it’s made up of air-tight rubber.

The belt

This belt is made up of steel which faces in the downward direction towards the wall of the tyre. This decides the contact patch of the tyre with the road.

The sipes and grooves

Grooves are found on the tyre tread and they are mainly responsible for the amount for noise that your tyres create when they roll on the road. This sunken part of the tyre also decides the speed with which your tyres face the wear and tear on an everyday basis.

Sipes are also like grooves, but they are finer in their pattern, as compared to the grooves. They mainly enhance the braking ability of the 225 40 r18 tyres. Sipes solve your problem of aquaplaning and provide extra grip on the wet roads.

What’s the significance of the appropriate air pressure in a tyre?

You must always refer to the owner’s manual for the correct air pressure in your tyres.

  • If the pressure is too high, you might not get the required grip on the road.
  • If the pressure is low, then the tyres won’t be able to uphold the weight of the car and this would impact their braking ability substantially.

Types of tyres 

  • We have tyres for different seasons – Summer tyres, winter tyres (which work the best when the temperature dips below 7°C) and all-season tyres.
  • There are tyres according to the surfaces you drive on – All-terrain tyres online, Sand tyres.

Next time when you go to buy tyres, keep the above points in mind and make your driving an enjoyable experience.

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