What Is Speed Rating

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What Is Speed Rating
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  • What is the Best Tire?

  • …appropriate size, load and speed rating for your application. When deciding on the best tire, the how and where are critical and the following options should be considered: * Driving style* Environment and climate* Types of roads you experience Regardless of what's most important in your purchase,…

  • Speed Rating. Why is it Important?

  • is capable of this speed. An H-rated tire that is known to be tested up to 130 mph, so the automaker would have to move up to the next speed rating (V). While there are no specific state or federal laws that I am aware of regulating what aftermarket tire can be installed on your vehicle, there is

  • What Does "ZR" Mean?

  • …bit about speed ratings. Speed ratings on tires are expressed in letters and are generally listed along with the load index for a tire after the size, for instance 245/40R18 93H. 93 is a load index and the "H" is the speed rating. Together, the load index and speed rating make up what is

  • What's in a letter?

  • is expecting the tire to do at certain speeds and temperatures. Based on your vehicle's minimum speed rating, you can feel safe using any tire that is rated above that speed rating. But your choice should depend on what you're looking for out of the tire. Tires with a higher speed rating

  • What's my tire size?

  • …of tires is for a ¾-ton Silverado pick-up. The results will only show tires that are E-load rated or higher which reduces the list to 33 tires for 245/75 16.It is helpful to verify the tire size is what you are searching for on our site by vehicle and if searching by size that the tire is

  • Related Products: 245 75r16
  • What Does 'XL' Stand For?

  • …two tires per axle, the tire load rating must be at least half of the GAWR. The vehicle placard will also list the service description of the original tires. To learn more about tire service descriptions, take a look at "How to Read Speed Ratings, Load Index, & Service Descriptions."

  • Understanding Speed Ratings

  • …the "H" in 205/55R16 89H. This letter is the speed rating of the tire. Tires are tested in laboratory conditions under load by tire manufacturers to determine the maximum speed capability of the tire. Shown below is what the speed rating letter equates to in MPH. L 75 mph 120 km/h Off-Road…


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