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- ASTON MARTIN
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Tire Size Explanation
Many people do not know that a combination of alphabets and numbers embedded on the tires can provide great information. If you have any four wheel vehicles then you must have noticed that only a specific type of tire is only compatible with your vehicle. If you are going to change the tire of your vehicle then this combination of numbers and alphabet is crucial to choose the right type of tire. Therefore, a person requires tire size explanation to get the compatible tires from any store. The knowledge of tire size explanation is also important to get a good quality tire.
The first important aspect of understating a tire size explanation requires the decoding of alphabet and numeric code embedded on the tire. For the tire size explanation, you must notice the first letters of the tire code. If the first letter of the tire code starts with P then the tire is typically made for the passenger vehicles such as SUV's and light-duty trucks. If the code of the tire starts with T then that tire is a spare tire, and can only be used as a temporary substitute. The ST letter stands for the special trailer tires such as boat trailers and car trailers. An LT alphabet at the starting of code signifies that tires are for duty trucks.
Understanding of this basic tire size explanation will help to understand the differences between vehicle tires. Another important aspect of tire size explanation is the width of the tire. The width of tire is typically calculated by measuring inner sidewall of the tire to the outer sidewall. The three-digit numeric part of the code just after the first letters signifies the width of the tire. For instance, if the tire has X235/XXX X then the 235 indicates that the width of the tire is 235 millimeters. The tire width is also referred to the tire's "Section Width". If 235 millimeters are converted into inch then it gives 9.25 inches.
Similarly, if the tire code has XX/70RX X then the 70 indicates the sidewall aspect ratio of the tire. This tire size explanation will help you to determine the measurement of the sidewall of the tire. The alphabet followed by the sidewall aspect ratio also provides the tire size explanation. It signifies the internal construction of the tire. The R signifies the radial construction of the tire. The alphabet D signifies bias ply construction, and B signifies belted construction of the tire. If any of these alphabets has Z before them, For instance, ZR then it tells about the speed rating. The number followed by the construction alphabet tells about the tire and wheel diameter. This knowledge will help you in identifying the right tires for any type of vehicle.
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