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- Tire speed rating is the tested top speed a tire is able to safely maintain without performance beginning to deteriorate due to the excess buildup of heat in the tire. It is represented by a single letter (with the exception of “ZR”) at the end of the tire size code.
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A tire’s speed rating indicates the optimal speed that the tire can safely maintain over time. In short, it’s the fastest speed a tire can handle before it no longer performs as designed. The higher the speed rating, the better control and handling you’ll have at higher speeds.
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What is tire speed rating?
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What does ZR mean in a speed rating?
Sep 24, 2020 · A tire’s speed rating indicates the optimal speed that the tire can safely maintain over time. In short, it’s the fastest speed a tire can handle before it no longer performs as designed. The higher the speed rating, the better control and handling you’ll have at higher speeds.
Jun 7, 2024 · A speed rating tire chart is a reference tool that indicates the maximum speed a tire can safely sustain under specified conditions. This rating is represented by a letter or a combination of letters and numbers on the tire sidewall. Each letter corresponds to a specific speed, measured in kilometers per hour (km/h) or miles per hour (mph).
Tire speed ratings are set by the tire manufacturers and are an indication of the tire’s maximum speed capability in ideal conditions. The tire load index rating communicates how many pounds a tire can safely carry. Put together, they make up the service description.
Aug 17, 2023 · Tire speed ratings are more than just a letter on your tire sidewall. They signify the safety and performance capabilities of your tire. By understanding these ratings and ensuring your tires either match or exceed your vehicle's requirements, you'll be on the path to a smoother, safer drive.
Sep 25, 2020 · What does “speed rating” mean on tires? The speed rating on a tire indicates the fastest speed a tire can handle before it affects the tire’s performance. Lower speed ratings (such as A8 or B) will mean that you won’t have good control or handling of the car at highway speeds.
Aug 9, 2024 · Also known as the speed symbol, tire speed ratings are recommendations that indicate the maximum speed capability of a specific tire. Car tire’s speed ratings range from ‘A1’ to ‘(Y)’ — ‘A1’ being the slowest, and ‘(Y)’ being the fastest (see chart below).
