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Letter rating on tyres

06.04.2021

Isom45075

Today's speed rating system uses letters A through Z. Each letter corresponds to a specific speed. In general, that speed goes up as the rating advances The speed rating is represented by a letter – A being the lowest and Y being the highest. As you will see on the chart below, there are some anomalies as car The speed rating or speed index is represented by a letter and associated with the tyre's maximum speed capability when operating at its maximum load It is always represented by a letter - in the following example the tyre speed rating is "V". Tyre Speed Rating. Speed ratings are based on tests in which engineers But the letter H kept its original speed rating of 130 mph, so it sits later in the chart . Z-rated tires will sometimes have the letters ZR embedded with the tire size

The speed rating can be found on the tyre sidewall as a single letter after the load index. Do not exceed the speed rating and wherever possible do not fit tyres of

The first number in a tire's size, say 225, is the width of the tire in millimeters. This is pretty straight forward except that in the days of buying tires sized by the inch (remember 31/10.50x15), the first number was the height rather than the width. The tyre’s speed rating is the last letter of the markings. It shows the maximum speed a tyre can handle. An average Ford Fiesta is best suited to V-rated tyres, which allow for speeds of up to 150mph. Here’s the full table of tyre speed ratings: Sidewall Marking Speed in mph; The load range/ply rating branded on a tire's sidewall identifies how much load the tire is designed to carry at its industry specified pressure. Passenger tires feature named load ranges while light truck tires use load ranges that ascend in alphabetical order (letters further along in the The load range is identified by a letter of the alphabet, usually from A to F, which represents the ply rating and load pressure. A rating of "E" on the tire means the tire has a ply rating 10 and a load pressure of 80 psi.

Today's speed rating system uses letters A through Z. Each letter corresponds to a specific speed. In general, that speed goes up as the rating advances

The first two digits (87S) represent the tire's load index and are followed by a single letter (87S) identifying the tire's speed rating. "Using a P195/60R15 87S tire Today's speed rating system uses letters A through Z. Each letter corresponds to a specific speed. In general, that speed goes up as the rating advances

That's when you need to be able to decipher all those letters and numbers, to make sure your replacement choices are suitable – and safe. Related Videos From

20 Sep 2019 Found on a tyre's sidewall, this jumble of letters and numbers are The speed index/rating corresponds with a letter in our handy Tyre Speed Speed Ratings. All tyres carry a speed symbol in the form of a letter indicating the maximum speed for which the tyre is intended. The table below shows which Load index is a numerical code which shows the maximum load a single tyre can carry at the speed shown by it Speed Rating Symbol. There is often an optional

Speed Rating. The speed rating of a tyre is represented by a letter of the alphabet at the end of the tyre size code and indicates the maximum speed capability of the tyre. Tyres receive a speed rating based on a series of tests which measure the tyres capability to handle a set speed for a prolonged period of time.

Load rating: 85V In this case, 85 means the tire is rated for 1,135 pounds (see Table 2). Multiply this by the number of tires on the car, and you get a maximum safe loaded vehicle weight of 4,540 pounds (including people, luggage, a full tank of gas, and all the loose change under the seats).