The tires have been the most important safety item for over 100 years, after all, they are the only contact with the road. Even the strongest engine, the strongest and most advanced brake system are at the mercy of anti-slip grip of the tires on the road. Each movement that makes the driver with the steering wheel, the brake or the accelerator, is transmitted to the road through the four small areas of contact of the tires.

If they are frayed, shriveled or are not suitable to the environment, and life of the car drivers and passengers are at risk. Most drivers do not know enough about tires to make a purchase appropriate. For some, the choice comes down to price and availability. Others buy tires based on the appearance or the brand. In this article, give the basic information for you to choose the right tire.

What is a tire?

A tire is a flexible container of compressed air. This container of air supports the load of the vehicle to propel the vehicle forward, backward and side to side, stop the vehicle and protects the soil loading of imperfections.

Nowadays they contain between 19 and 25 different components and are assembled from the inside out, not from outside. The heart of each tire is its internal banda, whose function is to form and maintain the air inside. Belts of fabric are applied around the inner band. The bubble is set below the belts of fabric and hold the tire to the wheel.

On top of the band structure is a belt of steel. This tape has two functions: to provide stability and make the tire, tires flat as possible, which means more contact with the road. A, tires, which makes contact with the road is on the top of the tape. There are bands of different run for each type of tire. The external side of the tire gives it rigidity and feature filming. An external high side and more tender it will better absorb the bumps, while a lower side and will provide better grip hard to curves and a rapid response to the movement of the wheel.

In the external side of the tires or car ride there is a light utility alpha numeric code that describes the dimensions of the tire. In most tires, this code will begin with "P" (above, left). Some may start with "LT," which means light car. Others may have an indication of "Max load" (above, right). When you select new tires, it is important to make sure that the classification of freight is so high on the tire you are replacing.

Sizes and characteristics

The biggest mistake a consumer can make when replacing tires is perhaps not using the correct size. On the sidewall of the tire (original and all tires), you can find a code that brings the size and characteristics of the tire. Here is a sample of a code and its description:

P195/60R16 63H M + S

* P - type of tire
* 195 - the band width of the tire tread in millimeters
* 60 - relationship between width and height of the lateral compared to the height
* R - Radial construction
* 16 - the rim diameter in inches
* 63 - rate of the tire load
* H - the tire speed rating
* M + S - tire suitable for all seasons

If the code begins with LT tires instead of P, it means the tire is suitable for light utility. Tires are designed to use light to be able to charge more and are usually found in trucks and SUVs. These cars need not have LT tires, and in many cases, the specification requires the original equipment tires for the car ride.

The speed rating of the tire is reflected in its ability to dissipate the heat or prevent the heating. Heat is the enemy of the tire. The more heat, the faster it wears quickly and is decomposed. Classification of a tire with higher speed can better dissipate the heat on long trips. If the driver uses just the motorways, the speed rating may be an important factor in the choice of replacement tires.

The tires are rated at speeds ranging from 160 km / h to 300 km / h. The most common classifications are T (190 km / h) and H (210 km / h). Both exceed the speed limit allowed on the national territory, so any of the tires mentioned above (T, H) are good choices for tires for the highway. If the driver only in city driving, a tire with classification S (180 km / h) may be acceptable.

An important factor in choosing the steppe is the carrying capacity. The loading rate in the code of the tire indicates the load capacity of that particular tire. When you choose a steppe, take care not to select a tire with low carrying capacity.

Without taking into account the classification of speed, capacity, size and structure, traction is the key to security. A common mistake is to choose the tire without considering their ability to adhere to the road. Experienced drivers will consider the traction in a dry track, wet and snow. If you want a high-performance tire, but lives in a region where snow, use a tire of "winter." If you live in a region where the climate is warm all year round, a tire of walking may fit your needs.

Most drivers make the mistake of buying new tires in spring. When the tire wears away, the traction on dry track and generally increases traction in wet or runway with snow falling. The best time to buy new tires is the fall.

Tires for passenger car tires and utility of light are different. Owners of trucks and SUV (SUVs) generally choose tires for passenger car because they are cheaper and offer better driveability. However, if a car is used constantly to load or to pull trailers, the best option is to use a tire tool of light that has increased carrying capacity.

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