What does 88t mean on a tire

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Tyre speed ratings tell you the maximum speed that particular tyre is legally approved for. Speed ratings are based on laboratory tests in which the tyre is run at 6. To receive its rating it must demonstrate that it can sustain a particular speed when tested with simulated loads. 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 manufacturers have increases the speeds of their vehicles and speed ratings have been introduced to match them.

What does 88t mean on a tire

Your tires can't talk, but they have a lot to say. Not all tires are created equal, and most of the details that make the difference between a Bridgestone Blizzak and a Pirelli P Zero are summarized on the sidewall. Here's what the letters and numbers on your tires mean. The most basic information that you'll find on a tire's sidewall is related to its size. The first number corresponds to the tire's width in millimeters; in this case, the tire is millimeters wide. The second number denotes the tire's aspect ratio; it's expressed as a percentage. Next is the letter R, which appears on nearly every tire regardless of the type of car it's installed on. It stands for "radial," and it indicates that radial layers make up the tire. The alternative is bias-ply, a type of construction that's increasingly becoming obsolete. Bias-ply tires are generally found on older cars and their size is normally expressed differently than a radial tire's.

The tire experts at BFGoodrich break down the parts of a tire and how they come together to move you forward and keep you safe. It's the speed rating. Thread starter Kyliewww Start date Jan 22,

Every tyre sold by Tyre Shopper has markings on the tyre sidewall to indicate key information. This system of markings indicates the tyre size, tyre speed rating, model, and load index. According to TyreSafe , there has been 5, total casualties from tyre-related car accidents in the last five years and tyres and wheels caused Make sure you know how to buy the right tyres and check their key information with this guide. With a little reading, it's easy to understand what the series of letters and numbers mean on your tyre's sidewall.

Your tires can't talk, but they have a lot to say. Not all tires are created equal, and most of the details that make the difference between a Bridgestone Blizzak and a Pirelli P Zero are summarized on the sidewall. Here's what the letters and numbers on your tires mean. The most basic information that you'll find on a tire's sidewall is related to its size. The first number corresponds to the tire's width in millimeters; in this case, the tire is millimeters wide. The second number denotes the tire's aspect ratio; it's expressed as a percentage. Next is the letter R, which appears on nearly every tire regardless of the type of car it's installed on. It stands for "radial," and it indicates that radial layers make up the tire. The alternative is bias-ply, a type of construction that's increasingly becoming obsolete. Bias-ply tires are generally found on older cars and their size is normally expressed differently than a radial tire's.

What does 88t mean on a tire

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The letter tells us what type of vehicle or service the tire was designed for. JavaScript is disabled. The higher the tyre rating is on the load index; the more mass the tyre can carry. In our case, 88 means 1, pounds. Can I mix speed ratings on my vehicles tyres? It's the speed rating. Under hard braking or handling, all the components on the merc, which are designed to handle much higher speeds, meet the requirements effortlessly, whereas cheaper components don't find it so easy. I know that this can cause problems at MOT time if the tyres have a speed rating that is below the manufacturers recommendation. Later, in tribology of machines one realises that friction is made up by means of adhesion, and the theory of adhesion talks about microwelding and deformation of both surfaces. Because we know that the tire size shown in this example has a section width of 8. Unique wheel diameters In addition to the inch rim sizes, there are also some unique tire sizes out there. Xtractorfan Senior Member. If tyres are underinflated, they will provide less grip and wear faster, which could compromise the safety of the car, especially under an increased load. Have a look in your handbook and it should give you the proper spec for your tyre ratings

When it comes to tires, the alphanumeric jungle imprinted on their sidewalls often induces a foggy-eyed gaze from most vehicle owners. The load index 88 in this case is a numerical code associated with the maximum load a tire can carry at the speed indicated by its speed rating under specific service conditions.

The three digits following the service type prefix if present tell us the cross-sectional width of the tire in millimeters. On the bottom end of the chart, an R-rated tire is certified for up to mph. For best performance, it is recommended that the same size and type of tire be used on all four wheel positions. Contact us. In general, that speed goes up as the rating advances alphabetically. Kyliewww Senior Member. In this example, the R means that the tire has radial construction. Also known as mini spares or space savers, temporary spares are designed for short-term use until the regular tire is repaired or replaced. If there are no tyres available to match your current load rating, make sure you choose a tyre with a higher load rating. I know that this can cause problems at MOT time if the tyres have a speed rating that is below the manufacturers recommendation. Curious about the anatomy of a tire? A tire with a higher load index than that of the Original Equipment tire indicates an increase in load capacity. Competitions Tyre Information Cookies Settings. JavaScript is disabled. That contact must be the contact of two infinitely rigid surface, with no deformation, as we are said in the elementary physics class.