For the sake of easily understanding how to read a tire’s metric size dimensions we’ll use a common rear tire size found on modern sportbikes: 180/55 x 17. Similar to a tire, a tube has a measurement on it to tell the correct size. For each tire size you input our tire calculator suggests multiple tire sizes that are with in one inch bigger and smaller of the entered tire size. + Motorcycle tires have size codes, a set of numbers and letters, which represent different factors like width, aspect ratio, speed rating, rim size, construction, type of the tire… With a 28mm tire, you could get away with a 20mm or 21mm internal rim width. So a 285/75R16 metric tire would calculate to an inch measurement tire of 32.82X11.22R16. A tire's dimensions can be determined by reading the markings on the sidewall. There are a lot of dirt bike tire sizes available to motocross and off-road riders. Modern motorcycles have little in common with early motorcycles that were modeled after bicycles. 1. Motorcycle tires usually last for 5 to 10 years, but the golden age, according to most manufacturers, ends at the 6 th year of a tire’s frequent usage. How To Read Motorcycle Tire Size Numbers. Here’s a primer on how to decipher which tire size might be best for you. How to read tire size. Here’s an example: DOT 73C2 KLH0913. October 26, 2014 0 wajidi. HOW TO READ YOUR MOTORCYCLE TYRE’S SIDEWALL MARKINGS. (Click here to see the larger image.) That is why correct use and maintenance of your motorcycle’s tires, as well as knowledge of the tire’s characteristics, increases the lifespan of the tire, saves money and promotes safety. Some current touring bikes still use the alpha size … A tire size conversion calculator or tire diameter calculator is the best way to get the answers you are looking for when it comes to tire sizes. 888-986-6627 Here's why. How to Read Tire Sizes by Andrew Chen . But, make sure to remember a tire can be stored in a shop for 2 years or even more. By the time you have finished reading, you will be able to look at a dirt bike tire and make sense of it – you will understand dirt bike tire sizes. You'll notice the tables do not go any further than 150/90 tyre sizes. Tubeless: No tube is used, when mounted on a tubeless rim; abbreviated "TL" Rear: Direction of rotation for rear tire, indicated by an arrow on the tire sidewall Michelin: Tire manufacturer 73 Load index: For example, 73 corresponds to a load of 805 pounds (365kg) per tire Radial Pilot Power 3: The tire's model name 190: Nominal section width of the tire, expressed in millimeters Reply It’s important to understand that tires come in many different sizes that can determine the tire’s performance, their suitability for your specific vehicle, and their overall appropriateness for your driving needs. While motorcycle tires have existed for more than 100 years, their appearance has changed dramatically. How To Read Dunlop Motorcycle Tire Size. reza July 19, 2018. ... How to read motorcycle tire dates chapmoto com motorcycle tires letters what do they mean chapmoto com understanding your tyre s sidewall dunlop how to read motorcycle tires tire codes jpcycles. These numbers indicate the size of the tire, and the rim it's designed to go on. P-Metric and Euro-Metric tires may have different load capacities. (Tire sizing) The correct way to read a tire size, xxx/yyRzz: x represents the tire’s tread width, in millimeters; y represents the height, which is a percentage of the width (it is also called the ‘aspect ratio’); R stands for ‘radial,’ which is the standard design for all modern tires; z The size of the tire needed for your motorcycle (if buying new from a dealership) comes already with the manufacturer’s preferred make/model and profile mounted on the bike. How To Read Motorcycle Tires Tire Codes Jpcycles Com Motorcycle Tires 101 Fix Com If you remove the tire and measure the internal rim width, you can determine the minimum and maximum tire sizes it can support. This code represents the manufacturer and the plant it was manufactured at (R8) and the size (LN). Width in millimeters – The first of the tire size numbers gives you the width of the tire from sidewall to sidewall in millimeters. How Dirt Bike Tire Sizes Work: Breaking Down Numbers. Tire sizes can appear to be confusing at first, however after understanding them they can actually be quite simple. If you want to go down to a 25mm tire for example, your rim would need to be no wider than 18 or 19mm on the inside. What sets us apart is our tire suggestion guide. Eventually, the tires can grow bald, meaning there is no tread, which may make riding dangerous. To determine the tire’s age, look at the last four numbers of the code. 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