P =Passenger Car Tire. The first letter on a tire indicates the tire’s class. P designates this tire as a passenger car tire, an LT before the tire size would mean the tire is a light truck tire, and a European metric tire would have no letter before the tire size. Here’s where you can find them: Tire class: First letter of a tire number. It will most like be a “P” for passenger or “LT” for light truck. Wheel diameter/size: This number follows the wheel construction class, “R” or “D”, of a tire number. It will be a number ranging from 13 to 24. Tire Size Description. The tire size is by far the most significant piece of information printed on a sidewall. Let's have a look at how to read it correctly first. The size of the tire will be represented as follows in most cases: P225/40/R17. Note: While the numbers will differ from tire to tire, the formatting will remain the same. Here, we’ll guide you through each step in determining motorcycle tire sizes, explained so that you can go ahead and hit the open road! There are five main aspects to determining the ideal motorcycle tire sizing: width, aspect ratio, speed rating, tire construction and rim diameter. Let’s take a look at each: Tire size numbers explained. Use the guide below as a tire size decoder and watch our tire decoder video to learn more. 215: The width of the tire in millimeters. 50: The height of the sidewall as a percentage of the tire width (50 percent of 215 mm) R: Radial (a common type of modern tire) 17: The wheel diameter in inches — in this example Find your tyre size. Reading your tyre size is easy, look on the side of your tyres and you will see numbers eg: 195/55 r16 87 V. 195 = tyre width. 55 = tyre aspect ratio. r = radial. 16 = tyre diameter. 87 = load rating. The three-digit number following the tire type code is the width of the tire measured in millimeters from sidewall to sidewall. The tire in the example has a width of 225mm. HOW TO READ THE SIDEWALL OF A TIRE You can convert the width measurement from millimeters to inches by dividing the width by 25.4. For example: 225mm / 25.4 = 8.86” TECH TIP All ATV Tire sizes consist of 3 sets of numbers generally separated by dashes (ex. 25-8-12), forward slashes (ex. 25/8/12), or with an x (ex. 25x8x12). *If you would like to beef up your machine a little without having to lift it, we recommend only going 1" larger in height and width from the stock size. Vay Tiền Nhanh Chỉ Cần Cmnd.

how to read tyre dimensions