There are many types of tires on the market. When you need to change tires, do you have no idea where to start and how to choose tires? The biggest misunderstanding when buying tires is to only look at the brand. Some people also pursue the production date to the extreme. In fact, all these things you care about are useless. These three indexes are really related to tire performance.
Tire load index
You may think that the load index is far enough, but in fact, because it is necessary to consider that in the case of emergency braking, inertia will cause the two front wheels to bear 80% to 90% of the vehicle weight, or even exceed the weight of the entire vehicle. Therefore, in theory, the load design of the original tire will leave double redundancy, that is, the upper limit of the load of the two tires is almost equivalent to the curb weight of the vehicle. Therefore, the higher the load index, the better the stability of the vehicle.
Tire speed level
The tire with a high speed level can run faster, and the tire with a low speed level will run slower. This is easy to understand. The speed level of passenger car tires starts from M, and the later the letter represents the higher the performance.
In order to better buffer heat generation and tire deformation, tires with high speed levels will be designed with enhanced shoulder and tread design. Generally speaking, tires with high speed ratings have stronger grip when the vehicle is turning. Foreign professional drivers once conducted a comparative test on speed ratings. Two identical cars used tires of the same size. The higher the speed rating, the better the braking performance of the tire. Moreover, the driver's experiment showed that the higher the speed rating, the more stable the extreme speed steering of the tire.
Tire wear index
The wear index is usually engraved on the side of the tire in the form of numbers. The larger the number, the more wear-resistant the tire is. The wear index of general household car tires is in the range of Treadwear240-400, and the manufacturers' markings on these tires are more comfortable, quiet, wear-resistant, etc.
The brand, price, and model of the tire are also factors we need to consider when choosing tires. But the above points are the top priority when buying tires. Therefore, we should choose tires in multiple dimensions according to our needs.