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What do numbers in tires mean?
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What do numbers in tires mean?
However, the interpretation of these size codes isn't standardized by the National Highway Traffic Safety Administration (NHTSA). These specifications are referred to as the tire code. Let's understand what these numbers mean: P: This letter denotes the type of tire. metric value in that kind of information is only that width. The jewelry piece is 18 parts pure gold and six parts metal alloy. Following the manufacturer's plant code, the next two digits within a DOT number signify the tire size. For example, 215/60R16 95H indicates a tire that is 215mm wide with Tire Number Meanings. “R” stands for the construction method of the tyre indicating the tyre is a radial tyre. People can use a serial number to track. 235 means your tyre is 235mm wide The second number refers to the profile of the tyre or the height of the tyre’s sidewall. 225 identifies the tire section width, which is the measurement of the tire from sidewall to sidewall in millimeters Nov 25, 2022 · What Do Tire Numbers Mean? The letters and tire numbers printed on the tire represent the model, width, aspect ratio, construction, wheel diameter, load index, and speed rating. Understanding these numbers is crucial when buying new tires or understanding the specifications of your current ones. Height: This is the distance from the edge of the rim to the top of the tread and is also measured in millimeters. A lower aspect ratio means a broader tire, while a higher aspect ratio means a taller tire. The load parameter has no dimension, each number corresponds to a certain number of kilograms. Where to find tire size. While this lengthy code might feel like a random string of text, it can be broken down into several components that we’ll describe below. Some tires might not have a letter at the beginning, which usually means they are European tires. What do the three numbers on tire size mean? The three numbers on tire size represent its width, aspect ratio, and diameter. For a better understanding, let’s take the series “ P215/65R15 95H ” as a reference. From ancient times to the present day, numbers have been used to convey symbolism,. Is It Important to Know What the Numbers On Your Tires Mean? What do motorcycle tire numbers mean? Motorcycle tire numbers convey essential information about tire size, load index, speed rating, DOT code, and construction type. For example, a 215/65R15 tire has a 215mm width, 65% aspect ratio, and fits a 15-inch wheel. That tire is roughly 40 inches in. While this lengthy code might feel like a random string of text, it can be broken down into several components that we’ll describe below. A metric tractor tire sizes expression may look something like “520/85R42. Type Luckily, you are much less likely to come across a metric-sized ATV tire. The most common format you’ll see is “15×6. 70, this number means that your tire has an aspect ratio of 70%. Here's what the letters and numbers on your tires mean. You really need to know how to use them assuming you meant 9″ wide tires and not 19″ wide tires haha Carl says: May 24, 2023 at 4:04 pm. The DOT number is stamped on both sides of the tire sidewall and can be found by looking for the DOT designation on the sidewall. Here’s a breakdown of the key components of motorcycle tire numbers: Tire Sizes. The sidewall of the tire is really the best place to find the wheel size of any vehicle. Everything you need to know about tire sizes and how to understand what the numbers on the sidewall mean. Tires for passenger cars, SUVs, and most light trucks have the same distinction of tire dimensions. So the width of a 285mm tire is 11 Below, we break down what all the letters and numbers on your tires mean. Then, divide this total by the number of numbers in the group Ratios give the relation between two quantities. The jewelry piece is 18 parts pure gold and six parts metal alloy. The second number represents the width of the tire. For starters, let’s explain the tire number meaning in a nutshell. ” The “520” part means the tire is 520mm wide, “R” means it’s a radial tire, and “42” is the rim size expressed in inches, just like the standard. But there’s more to it than just that! Treadwear ratings are determined through a series of controlled tests. When it comes to tires, all the info you need is written on the tire’s sidewall. Second number: The sidewall height as a percentage of the tire width. Car tire numbers are explained using the letters and numbers printed on the side of the tire. The lower this ratio (in this case we are talking … What do numbers on tires mean? Tires are one of the most important components of your vehicle, and understanding the tire number meaning can help you select the right tires for your driving needs and preferences. What Do The 3 Numbers On ATV Tires Mean? Understanding the significance of the three numbers on ATV tires is crucial for both seasoned enthusiasts and new riders. Not only do they provide traction and stability, but they also help keep you safe on the road When it comes to purchasing All-Clad cookware, understanding the part numbers can be a bit confusing. 5 mm sidewall height. This doesn't mean if you have a tire that is a week from turning five years old it's suddenly going to turn to dust in a week or become completely unrideable. Aug 22, 2024 · What Do The 3 Numbers On ATV Tires Mean? Understanding the significance of the three numbers on ATV tires is crucial for both seasoned enthusiasts and new riders. The numbers on the sidewall of your tires might seem like a jumble of random digits, but the. The tire width is the measurement of how wide the tire is in millimeters. If a tire size has no letters at the beginning, this indicates a Euro metric tire. The tire size "P225/45R17 91V" may not mean much to the average person, but to tire geeks like us it speaks volumes. Note: While the numbers will differ from tire to tire, the formatting will remain the same. Is the proper use of the tire. The first number, the routing number,. Why you should know the numbers on your tires Unless you are upgrading or changing the rims on your vehicle you should always try to stay with the same size tire as what came with the vehicle from the factory. There are many parts of a tire, but it's hard to know what they all do — especially in a sales-pressured situation! In this article, we will explore how tires are built and examine the parts of a tire. The exceptions are the low numbers, 6 through 10, because those are. ” The tire’s diameter is represented by the first digit in this series, in … After the tyre width, there’s a slash followed by a two-digit number which shows the aspect ratio. The "96" represents the tire's max load, and the W is the speed rating. The number is the “load index”, or how much weight the tyre can carry. What do those numbers on tires mean? Each number and letter on your tires mean different things. The second number represents the width of the tire. Larger tires increase fuel consumption because they have more resistance, and it takes more energy to get them rolling. For example, 55 indicates that the sidewall height, between the top of the tread and the rim, is 55% of the tire width. We want to help you understand them and promise to keep this simple Tire Style #1Let’s say that you have a style that looks like this… 95” is the width of the tire in inches. The letters “SL” on the sidewall of a truck tire indicate that the tire is a standard-load tire that holds a maximum load pressure of 35 pounds per square inch. This is the maximum. Diameter: … Are you one of the many Brits that doesn’t have a clue how to check your tyre size? Or maybe you just can’t quite remember what all the different numbers and letters mean? Checking your tyre size can be confusing, so we’ve created a simple step-by-step guide just for you. The second number is the percentage of the first number that makes up the height of the side wall of the tire. If a tire says Max PSI 44lbs, that’s not an indication you should inflate the tire to that number. The DOT number on the tire can help you determine if your tire is affected by a recall. Below, we break down what all the letters and numbers on your tires mean. What do those tire markings mean? In this … What do the 3 numbers mean on tire size? The three numbers on tire size represent the width, height, and diameter of the tire, respectively. Load Index: The load index is the last number listed on the tire, and it tells you how much weight the tire can safely carry. A lower aspect ratio, often seen in performance tires, means a shorter sidewall, which usually translates to better handling and steering response due to reduced sidewall flexing. A tire’s code uses a series of letters and numbers to tell you information about the tire such as size, speed rating, load index, and more. The P here stands for P-metric tire, a common type in A tire can also have one, two, or even three sets of sizing numbers. This number indicates that your tire has a width of 265 millimeters. Learn more about tire number meaning in this guide from … What Do the Numbers on a Tire Mean If you've ever taken a close look at the side of your vehicle's tires, you've probably noticed a lot of printed numbers and letters that, to the untrained eye, don't make any sense. ” The tire’s diameter is represented by the first digit in this series, in … After the tyre width, there’s a slash followed by a two-digit number which shows the aspect ratio. As the width increases, the tire will have more contact surface with the road, making it more stable and comfortable. Read on to learn how to crack the tire code with this handy guide dedicated to tire types, sizes, and construction. For example, 100V means that the tire has a maximum speed rating of 149 mph and a load capacity of 882 lbs. how do i get urine smell out of a couch To find the tire size meaning in inches is very straight forward50R15 The first number is your overall diameter of the tire. So, in our example, “G2” means the tire is for a Grader with traction tread and normal depth. We'll explain what those tyre codes mean so you can get the right tyre for your vehicle Number Plate Accessories Replacement Number Plates Back. Using tire size P205/65R15 from the image above as an example, let's learn how to read your tire size. 50 … In addition to these three numbers that are visible from outside of the tire, there are several other codes and markings that help you determine what type of performance features you have within your tires! We'll go over what each one means below: The tire letter meaning refers to the tire's construction: R for radial, D for diagonal and RF. Determining Tire Number Meanings. When you take a tire number like “ P215/65R15 95H ”, every letter and number means something different. What do the numbers on tires mean? If you look at the sidewall of your tire, you will notice numerous alphanumeric codes and symbols. This may be either “R” for radial or “D” for a bias ply construction. Understanding these numbers can help you choose the right tires for your vehicle, ensuring safety, performance, and comfort. no, there is no real standard for wheel/tire sizes. What Do the Numbers Mean? These numbers refer to the maximum speed and load capacity of the tire. Height: This is the distance from the edge of the rim to the top of the tread and is also measured in millimeters. For example, a load index of 95 means the tire can handle up to 1,521 pounds (690 kg) per tire. Tire Number Meaning. Diameter: … Are you one of the many Brits that doesn’t have a clue how to check your tyre size? Or maybe you just can’t quite remember what all the different numbers and letters mean? Checking your tyre size can be confusing, so we’ve created a simple step-by-step guide just for you. Below, we break down what all the letters and numbers on your tires mean. By the time you have finished reading, you will be. So, what do the numbers in your tire’s sidewall mean? Not only do they tell you your tire’s size, they can help you determine a wealth of info about your tire. This is important since some tires aren’t always sold in the first batch, and you don’t want to buy a tire that’s so old that materials might have degraded. This code indicates the tire’s load index and speed rating. On the side of most tires, including all passenger vehicle tires, you’ll see a set of numbers that looks similar to this: 205/65 R 15. Notice that the size of this tire never specifies the diameter of the entire tire. Definition: Rim width is the distance between the inner and outer faces of the rim. Let’s take a look at what these numbers mean: … The numbers and letters on a tire denote the tire’s size, load index, speed rating, type, brand, manufacture date and location, and some performance features. songs to sing at karaoke For instance, a tire with a DOT code of 1119 was manufactured in the 11th week of 2019. There is a placard that shows the appropriate tire size. Is It Important to Know What the Numbers On Your Tires Mean? What do motorcycle tire numbers mean? Motorcycle tire numbers convey essential information about tire size, load index, speed rating, DOT code, and construction type. So for this marking: P225/45R17 91V, the tire intended for a passenger vehicle is 225 millimeters wide. The DOT number also indicates the tire’s manufacturer, plant, and date of. In this case, the tire is 120mm wide. So, with this in mind, all 26 letters in the English alphabet and the numbers 0 through 9 are conside. First number: The overall tire width in millimeters when inflated. In math, “x|x” means “x, such that x” in set builder notation. The order is industry-standard, so the meaning of the tire. What do those tire markings mean? In this … Here's what the letters and numbers on your tires mean. What Does Treadwear Rating Mean? The treadwear rating is a number assigned to a tire that indicates how long its tread is expected to last compared to other tires. Alphanumeric indicates that something is composed of both letters and numbers. car snow plow A metric tractor tire sizes expression may look something like “520/85R42. Let’s have a look at how to read it correctly first. 70: The aspect ratio is the second number, indicating the tire’s profile height as a percentage of its. What do the numbers on tires mean for you? You’ll want to be sure that you match the correct tire type to your vehicle, so understanding what tire codes mean is a great skill. 50-6,” which breaks down as follows: * 15: This is the tire’s diameter in inches50: This indicates the tire’s width in inches. This refers to the size of the wheel the tire fits on. “PSI” is an acronym that stands for “pounds per square inch,” and it is the standard unit of measurement for pressure. For example, 205 means that your tyre is nominally 205 mm wide. It might not always be important for the consumer to be familiar with the numbers on their products like a toaster or tires,. Here’s what the numbers on tires typically mean: Knowing what these letters mean will guide you in making informed decisions when purchasing tires for your car. With an overwhelming number of options available on the market, it can be challenging to navigate through the sea of specific. 5” because of the 2nd two numbers from above added together. You’ve probably seen the size code on your tire’s sidewall. If a car’s steering wheel shakes when driving at high speeds, the cause is most likely a bent wheel. When it gets down to about 2/32”, it’s time to think about getting new tires. In example "B" this reads 285mm4 mm in one inch. This is determined by the number phrase as shown: 96W. The sidewall of the tire is really the best place to find the wheel size of any vehicle.
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Jul 24, 2024 · Consumer Reports deciphers the cryptic sidewall codes on a typical tire, explaining how to decode tire size, load index, maximum pressure, speed rating, and more. Enter your information to see the tires that fit your vehicle Tire Type. Why you should know the numbers on your tires Unless you are upgrading or changing the rims on your vehicle you should always try to stay with the same size tire as what came with the vehicle from the factory. In this example, the tyre date code indicates 4714, which means that the tyre was manufactured in the 47th week of the year 2014. You might also find it in the owner’s manual. The numbers after the slash indicate the aspect ratio which is the sidewall height in percentage of the section width, so 55% of 750 mm = 412. Larger tires increase fuel consumption because they have more resistance, and it takes more energy to get them rolling. In the following slides, we’ll show you what those numbers and letters mean, so you’ll be armed with information the next time you need to shop for tires. Tire Size. Every tire has 3 numbers that mean a specific size: Tire numbers after the word “Treadwear” estimate how long the given tire will last compared to the reference tire. Determining Tire Number Meanings. Oct 30, 2018 · All those numbers and letters on your tires seem hard to understand, but each section conveys important information about the tire’s type, size, and more For example, “2118” would mean. 5” because of the 2nd two numbers from above added together. american gifts There are two ways that tire manufacturers display tire size, inches and metric. Tire Width (First Number) The first number on tire size is the tire's width. Tire Size Meanings. What do the numbers on tires mean? What Do Tire Numbers Mean? The best way to answer the question, “What do the numbers on tires mean?” is with an example like this one: P215/65R15 95H. 50-6,” which breaks down as follows: * 15: This is the tire’s diameter in inches50: This indicates the tire’s width in inches. For example, 215/60R16 95H indicates a tire that is 215mm wide with Tire Number Meanings. Motorcycle tyre markings provide essential information about the tyre’s size, profile, load and speed indexes, and construction type. * 6: This refers to the wheel’s diameter in inches. The letters and numbers on your tires read from left to right to indicate the type, width, aspect ratio, construction, diameter, load index, and speed rating of your tires. P215/65R15 95H What do tire numbers mean? They are actually a code that indicates the size and type of tire and its particular performance purpose. The letter is the speed rating. This is indicated in percentage of the tyre width. Manufacturers may also insert “Z” into the size description (in the tire code data between aspect ratio and diameter) for these kinds of tires. When it comes to buying new tires for your vehicle, understanding tire size is crucial. For example, if you have a tire with a DOT number date mark of 4021. The numbers on a tire serve as a sort of code, providing essential information about its size and specifications. What do these numbers on the tire tread mean? They show the load limit per wheel, and the letters are the maximum speed index. Every tire has 3 numbers that mean a specific size: Tire numbers after the word “Treadwear” estimate how long the given tire will last compared to the reference tire. On the side of most tires, including all passenger vehicle tires, you’ll see a set of numbers that looks similar to this: 205/65 R 15. Aug 9, 2021 · The first number is the easiest and measures the width of the tyre in metric millimetres. How do you read the numbers on a tire? The sidewall of your tires contains vital information. carly simon you re so First number: The overall tire width in millimeters when inflated. Tires are standardized in the Europe according to the regulation ece-r 30, as the road traffic licensing regulations (stvzo, § … What are these numbers and what do they mean? Each tire for your vehicle has a set of numbers that indicate its size, type and performance purpose. Load Index: The load index is the last number listed on the tire, and it tells you how much weight the tire can safely carry. The DOT number also indicates the tire’s manufacturer, plant, and date of. We do know it has to be over 7. The DOT number on the tire can help you determine if your tire is affected by a recall. Does the speed rating on each tire match what the manufacturer recommends? It should! Also remember that the tire speed rating isn’t the same thing as a recommended travel speed. Maximum inflation rating. Larger tires increase fuel consumption because they have more resistance, and it takes more energy to get them rolling. This code gives you the following information about your vehicle’s tire: P = Passenger Tire (Light Truck Tires will begin with the prefix LT). The load parameter has no dimension, each number corresponds to a certain number of kilograms. These letters and numbers tell you the tire size, type of tire and safety standards. Read on to learn how to crack the tire code with this handy guide dedicated to tire types, sizes, and construction. What Do The Numbers Mean On ATV Tires? Understanding the numbers on ATV tires is crucial for selecting the right tires for your all-terrain vehicle. Maximum inflation rating. A lower aspect ratio, often seen in performance tires, means a shorter sidewall, which usually translates to better handling and steering response due to reduced sidewall flexing. The last two numbers of the date code tell you the year of manufacture. Other Methods For Measuring Tire Tread. The other sidewall of the tire will have the initials DOT and the manufacturer's plant code. how to dress like a cowboy The first number indicates the tire’s width, while the second number represents the diameter of the rim. Related: 5 Causes of Inside Tire Wear The number listed next is the wheel diameter size. A common tire size is P225/65R17. 255 (Tire Width): The tire width is 255 millimeters from sidewall to sidewall (just over ten inches). The second number is the relationship between a tire’s sidewall height and the tire's width. If your tire size starts with LT rather than a P then it identifies the tire as a Light Truck tire. In the following slides, we’ll show you what those numbers and letters mean, so you’ll be armed with information the next time you need to shop for tires. Tire Size. So for this marking: P225/45R17 91V, the tire intended for a passenger vehicle is 225 millimeters wide. What you may not know? A lottery machine generates the numbers for Powerball draws, which means the combinations are random and each number has the same probability of being drawn The 17-digit vehicle identification number (VIN) on a Chevrolet vehicle stands for several key aspects of the car’s manufacture, including body style, chassis, series, engine type,. All this information is necessary when it comes time to replace your tires. In our example it means that the height of the tyre is precisely 65% of the figure of 195 mm referred to above. So, with this in mind, all 26 letters in the English alphabet and the numbers 0 through 9 are conside.
When it comes to tires, all the info you need is written on the tire’s sidewall. You will need to know this when buying new tires. What Do the Numbers on My Tires Mean? Looking at tire size for the first time can feel like reading a foreign language, but once you learn how to break down what each section of the tire size means, you’ll find they’re not all that complicated Tire type refers to the service or type of vehicle that the tire was designed for. The letters and numbers on your tires read from left to right to indicate the type, width, aspect ratio, construction, diameter, load index, and speed rating of your tires. Unravel the mystery behind motorcycle tire sizes by decoding the numbers stamped on the rubber. The number is the “load index”, or how much weight the tyre can carry. The number after the tire construction type is the rim diameter. What do the 3 numbers mean on tire size? Tire size is measured primarily by 3 numbers. best light foundation “22” is the diameter of the rim in inches. We do know it has to be over 7. So, what do tire numbers mean? Take this code for example: Example: P215. Remember: New Tires: Usually around 10/32” or 11/32” deep. The tire ratio plays a significant role in the tire’s performance and the vehicle’s overall appearance. W means a tire can travel 168 mph (270 km/h) for extended periods If you're having difficulty to determine the meaning of the numbers on a tire, refer to your vehicle's owner's manual to discover the type of tires recommended for your vehicle Helpful 0 Not. These specifications are referred to as the tire code. Here’s what the numbers on tires typically mean: Knowing what these letters mean will guide you in making informed decisions when purchasing tires for your car. what are spanx Apr 25, 2022 · Here's what the letters and numbers on your tires mean. If you’re shopping for new tires and need to determine which ones are right for your car, truck, or SUV, or if you’re simply wondering what do the numbers on tires mean, this guide from the parts team at Standard Motors will help. Understanding the codes on your tires is crucial for making informed decisions about your motorcycle’s performance, safety, and maintenance. We will teach you how to read your tires below. Explanation of the Tire Load Index Chart and Its Relevance. To find the tire size meaning in inches is very straight forward50R15 The first number is your overall diameter of the tire. minecraft story mode minecraft Passenger tires are commonly Radial tires The number after the tire construction type is the rim diameter. Aug 22, 2024 · What Do The 3 Numbers On ATV Tires Mean? Understanding the significance of the three numbers on ATV tires is crucial for both seasoned enthusiasts and new riders. What do the numbers and letters on tires mean? The numbers and letters on a tire denote the tire’s size, load index, speed rating, type, brand, manufacture date and location, and some performance features. The second number shows the height of the sidewall, but it's not a simple measurement like it is with the tire width. Let’s get real world on it. 70, this number means that your tire has an aspect ratio of 70%. You really need to know how to use them assuming you meant 9″ wide tires and not 19″ wide tires haha Carl says: May 24, 2023 at 4:04 pm. Enter your information to see the tires that fit your vehicle Tire Type.
In this example the tire diameter or "height" is 33 inches tall. In this example the tire diameter or "height" is 33 inches tall. TIRE SIZE DESCRIPTION. there is none real standard for tire. You will be able to choose your tire size, tire width, and tire rim size within the tire finder tool. The DOT number also indicates the tire’s manufacturer, plant, and date of. The first codes are for the US market requirements. So, if you have a 22" rim, … What Do the Numbers on Tires Mean? Don’t dismiss the string of numbers and letters on your tire sidewalls as nonsensical or as some sort of code only decipherable to the manufacturer. Determining Tire Number Meanings. Speed rating is the highest speed a tire can safely handle, determined through lab testing. Learn more about tire speed rating. Let’s take this example tire size and break down what each part means: P235/75R15 105S. jack russell puppies for sale under dollar300 Let’s take a random code for example: P215/65R15 95H The tire size "P225/45R17 91V" may not mean much to the average person, but to tire geeks like us it speaks volumes. You will be able to choose your tire size, tire width, and tire rim size within the tire finder tool. What Do The 3 Numbers Mean On Tire Size? The 3 main numbers on a tire represent its 3 main size measurements: tire width, aspect ratio, and wheel diameter. The numbers on the sidewall of industrial tires are significant. We do know it has to be over 7. But a little education can change your perspective, helping you read these numbers and understand the information they provide to. If you do, here is how to know what size it is. The exceptions are the low numbers, 6 through 10, because those are. In this case, the tyre is made to fit a 16-inch rim. In this case, the tire is actually 10 You’ve probably seen the size code on your tire’s sidewall. While this lengthy code might feel like a random string of text, it can be broken down into several components that we’ll describe below. These numbers are not arbitrary; they provide essential information regarding the tire’s size and capabilities, directly influencing the vehicle’s performance and safety. We'll explain what those tyre codes mean so you can get the right tyre for your vehicle Number Plate Accessories Replacement Number Plates Back. The third number signifies the rim diameter or wheel circumference. For example, a load index of 95 means the tire can handle up to 1,521 pounds (690 kg) per tire. Tire Number Meaning. Alphanumeric indicates that something is composed of both letters and numbers. To find out what "82" means, it must be looked up on a Load-Carrying Capacity Per Tire chart. do jobs check your degree The second number represents the width of the tire. The second number represents the width of the tire. Time for New Tires: When they hit 2/32” or thereabouts. Aspect Ratio: The aspect ratio is the second number listed on the tire, and it is a percentage of the width. In this instance, a load index of 92 would mean that tire is capable of carrying 1,389 pounds at 36 psi inflation. there is none real standard for tire. Let the experts at Automotive Avenues in Wall be your tire translation guide, simplifying the process and making those tire numbers less of a head-scratcher. So, what do tire numbers mean? Take this code for example: Example: P215. These letters and numbers tell you the tire size, type of tire and safety standards. There are two ways that tire manufacturers display tire size, inches and metric. These specifications are referred to as the tire code. Learn how these numbers reveal crucial details about width, aspect ratio, construction type, and wheel diameter. As may easily be guessed, this is an indication of the maximum speed for which a given tyre has been designed. How do you … What exactly are those numbers on your tire, and why do they matter? This guide dives straight into what each segment of these cryptic figures represents, from tire dimensions … These tire numbers are not only mandated by the government, but they are standardized. If you see “LT,” it means light truck tires. How do you read tire numbers? Tire numbers are read from left to right, with. Mar 5, 2024 · Understanding Tire Size Codes. The second number is the relationship between a tire’s sidewall height and the tire's width. If you have ever studied a motorcycle, looked at the tires, or maybe never noticed until you went to put air in your bike’s tire, you probably saw some numbers and perhaps even letters on the side. No matter the size of your car’s tires, the best way to keep them operating at optimal performance on Crete roads is to have them properly inflated. Every tire has 3 numbers that mean a specific size: Tire numbers after the word “Treadwear” estimate how long the given tire will last compared to the reference tire. Oct 16, 2022 · If you have any more questions on what these numbers mean or what tires will replace the ones you're currently running, give us a call. So what do these numbers and letters mean and how do I my check tyre serial number? First – your tires will have the brand name e Pirelli, followed by the model’s name e Scorpion. For a better understanding, let’s take the series “P215/65R15 95H” as a reference.