The aspect radio tells us which is the ratio of the tire's width to its height. This system measures the size in millimeters. The last three digits, 517, plus the triangle mean this tire was manufactured in the 51st week of 1997. Wheel Size Basics | Rim Size | Discount Tire What does the 91W on your tire mean? - Answers Tire Size Chart : Tires Sizing and Dimensions explained (2021) The longer number set is more widely known on all tires after the year 2000. The DOT number is used for safety standard certification and also in the event of a tire recall by the manufacturer. The first number before the "x" indicates the tire's diameter when inflated and not under load. A date code of 2615 means the tire was made in the 26 th week of 2015. This refers to the profile height of the sidewall, or the height of the sidewall as a percentage of the tread width. Since this measure is affected by the width of the rim, the measurement . Video Review: What do the numbers on tires mean diagram? The 33" refers to the width of the tire (285) multiplied by the height percentage of the sidewall (75), in millimeters, x2 because there are two sidewalls, divided by 25.4 (inches) plus the wheel size in inches (16"). The DOT tire identification number indicates compliance with all safety standards established by the U.S. Department of Transportation and provides additional information about the tire manufacturer. 18 = refers to the diameter of the tire, in inches. The middle number between the "x" and the "-," indicates the tire's width. Some tires carry "W" or "Y" speed ratings. The letter following the profile height identifies the tire's construction. Actual on-road savings may vary. Most often, any tire you view will start with a "P.". The flange is a bulge located on the wheels right in the location where the tire bead sits. The letter is the speed rating, or the maximum speed the tire is built for. All-position tires are mostly built with the steer axle in mind, but also perform well on the drive and trailer axles. The third number in our lawn tractor tire size is 6. The number is a metric figure standing for the width of the tire in millimeters. For example, in the graph shown above, the tire is an LT305/70R17. This number means that your tire has an aspect ratio of 70%. Oddly enough, tires with an inner diameter of 630 mm are classified as 27-inch. A grade of 300 denotes a tire that will wear three times as well as a tire graded 100. The letter at the end of a tire size is a throwback to an old French system when the letters a, b and c designated different inner tire diameters - it DOES NOT stand for cm. This number indicates that your tire has a width of 245 millimeters. The first letter on a tire indicates the tire's class. Holding the shift key and clicking refresh may resolve this issue. It is the most commonly used system for motorcycle tires, which is a set of three numbers and letters implying the width of the tire, the aspect ratio of the tire (ratio of tire's height to the width) . According to current regulations, the DOT Tire Identification Number must begin with the letters "DOT" followed by a series of characters (usually 10, 11, or 12 numbers, letters, or symbols). (2) 7/7/3 Manufacturer's Limited Casing Warranty: 700,000 miles, 7 years, or 3 retreads for MICHELIN ® XDA3 ® and XDA ® ENERGY tires. Load range Tires built before 2000. Letter R: Letter R refers to how the tire was made. Plus, the right size for your car, truck, or trailer can differ depending on where and how you drive. In this regard, what does tire size 22x11 10 mean? Poor toe alignment, whether positive or negative, reduces steering ability and causes tires to wear prematurely. Tire sizes on modern vehicles typically start at 13-inches and go up to 18-inches, but aftermarket and special package wheels can be 22-inches or even larger. The width of the tire is shown in mm (millimeters). But the numbers are . If you are purchasing a new off-road . The second number of the off-road size measurement is the width of the tire, expressed in inches. If your tire size has two sets of numbers (10-16.5, 12.4-16, or 18.4R28), here is what the size numbers mean. Our primary example will be based on variations of the 225/50R16 size, although other sizes will appear. What does the 225 in a tire size mean? After all, getting the right tires for your car is crucial. The better the grade, the shorter the stopping distance on wet pavement when a set of that particular tire is fitted to a vehicle. So if you are looking at a rear-wheel for a dirt bike, you might see: 120/100-18 The number is the load rating, or the amount of weight that it can handle. Do you need a tonneau cover or subwoofers for your vehicle? For truck or trailer tire sizing, three numbers are used, followed by a slash and then a two-number designation then either a B for bias or an R for radial tire types and finally another two-number designation that represents the size of your rim. In other words, a 10-16.5 tire . After the DOT insignia is your tire's identification number, which begins with the tire's manufacturer and plant code where the tire was manufactured (two numbers or letters). Example 2: 18 x 8.50 - 12″. Size: P235/65R17 is a common one. H2 - This is the kind of flange the wheels have. Treadwear grade: A government-required number that indicates a tire's expected wear. The sidewall height, from rim to tread, is 55 % of the section width of 205, or 112.75 . This simply tells you that it is a passenger vehicle tire, at least one standardized to American designation. If a tire size has three sets of numbers (15x6.00-6, 26x12.00-12, 31x15.50-15), then the first number ( 26 x12.00-12) is the approximate height in inches, the second number (26x 12.00 -12) is the approximate width in inches, and the third number (26x12.00- 12) is the rim diameter in inches. Manufacturers may also insert "Z" into the size description (in the tire code data between aspect ratio and diameter) for these kinds of tires. How to read tire size with a metric measurement is a little more difficult and usually takes a calculator to get exactly right. Other examples include 11 x 4.00 x-5″ and 9 x 3.50-4″ tires. If you look at the photo from reasonablerides.com below, you'll notice that the tire is coded thus: 255/45ZR20 105W XL M+S. It's just like getting an actual pair of shoes for your fleshy feet. What do the B, C, E, etc. The recommendations made in this article are based on the use of a Coats 1250 tire/wheel bal-ancer. Example: 205 / 55 R16 91 W The numbers in the tire size refers to different parts of the tire. There are also tires with irregular rim diameters that are often used for box vans, heavy-duty light trucks and trailers. The Uniform Tire Quality Grading (UTQG) scale indicates a tire's stopping ability on wet surfaces. Tire sizes range from 125-135-145-155-165-175-185-195-205-215-225-235 . Such tires are for specific use and not to be mixed with regular tires. By Michael Davis. Is the installation challenging? If we assume that the numbers are not worn away on your deck and example is 32-622 on your bicycle tires, describes the 622 tire diameter, while the 32 stands for the width of your bike tires. Tire width always refers to the measurement from one sidewall to another. The first number is the height, the second number is the width & the third number is the diameter of rim that it will fit on. The first number is the height of the tire sidewall, and the second number is the rim diameter. Photos, diagrams and background information were supplied by Hennessey Industries' Coats brand. We suggest that you So, let's look at what those letters and numbers mean. The second number represents the width of the tire. This means that the tire is 195 mm wide. P denotes passenger-car tire. Each section of small print on a tire's sidewall means something: Tire Type The P designates that the tire is a passenger vehicle tire. Located on the sidewall of a tire, the complete DOT tire identification number is a combination of up to 12 numbers and letters that provide . This doesn't mean the tire mounts on a 6" wide wheel, normally the tire width will be wider then rim width. Second, the manufacturers of such wheels often use inferior wheel molds. Style 2 tires: The number before the forward slash (/) is the tire section height. The ply rating on trailer tires typically varies between 2(A) and 10(E). When it comes to choosing width, there are two major factors at play. For one thing, cheaper tires are not subject to as many quality control protocols. The second number in the example 16.5, is the actual diameter measurement of the wheel that the tire fits. Which parts and accessories are essential? Tire Size Chart - Width of the tire. Some trailer tire manufacturers suggest three to five years is the average life expectancy of a . We apologize for any inconvenience to you and will have the site back up as soon as possible. These numbers sit in the same order on most dirt bike tires. The second number in our lawn tractor tire size is 6. It doesn't necessarily mean that the tire is manufactured with this specific number of plys or layers. See limited warranty for details. The last four digits, 3607, mean this tire was manufactured in the 36th week of 2007. A few of them are: The brand name Tire performance specification criteria Winter tire symbol UTQG ratings DOT tire identification number Prevention. …Video Center Testing Entry Level Ultra High Performance All-Season Tires 2020: RIKEN Raptor ZR A/S (01:48) Category: Tires Share on Facebook Share on Twitter Share on Pinterest Email Page to a Friend The Raptor ZR A/S is a known competitor in Ultra High . The traction grades, from highest to lowest, are "AA," "A," "B," and "C." If a tire is designed for extra traction . A car producer stocks three types of tires: A, B, and C. Let P(A) = 0.40, P(B) = 0.15 and P(C) = 0.45. The first number (205) identifies the section width, or the cross section, in millimeters.. Ever wondered what tire numbers mean? 4 MICHELIN ® TRUCK TIRE REFERENCE CHART DRIVE TIRES (1) Fuel savings are estimates based on comparative rolling resistance. Toe should be adjusted to guarantee all wheels roll parallel together in synchrony. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. The number is the load rating, or the amount of weight that it can handle. The tire numbers include: 14.5", 14.5", 16.5", 16.5", 19.5". The example tire would be designed to fit a 16-inch wheel. The Tire Rack website is down for scheduled maintenance. Additionally, some tires use rim diameters in millimeters, but these are rare. Golf cart tires, lawn mower tires, and other lawn/garden tires are often marked in this manner. Tires with the lowest speed ratings are usually listed as "A" followed by a number- for example, "A1," "A2, "A3," and so on. This number refers to the width of the tire. The final number indicates the width of the rim. This number indicates that your tire has a width of 265 millimeters. Thus, a tire with the measurement "P225" is for a passenger vehicle and has a nominal width of 225 millimeters. The height of the tire from rim to tread will be 88 percent of the width. Hello, guys. Road bike tires generally come in three widths: 23c, 25c, and 28c (their width in mm). Wheel Size Basics. For example, a tire size of P225/55 R15 tire, the 55 means that the height is equal to 55% of the tire's width. The three-number lawn tractor tires numbering system works a bit differently. Proactive car owners can prevent tire runout in a number of ways. Steer tires are the most important tires on your truck, designed to perform their best in the front (steer) axle position. Enter the desired axle spacing report number and click Look Up. 70. The last four numbers indicate the week and year your tire was made, respectively. In the absence of the decade triangle, this tire would have been made during the 51st week of 1987. As an example, a tire rated 90R could safely . The first number to appear in your tire size information is the width, in millimeters, of the correct tires for your vehicle: P225/70R16 91S. On a rim, 30 represents the inner width between the flanges in millimeters, as demonstrated in the accompanying diagram for this section. A common sizing system for wheelbarrow and hand-cart tires are 2 numbers, separated by a hyphen. 12″ = refers to the diameter of the rim, in inches. Some may start with an LT prefix, used on heavy-duty trucks. The tire size branded on the sidewall provides a significant amount of information about the tire's intended purpose, dimensions, load capacity and high temperature/high speed durability. Divide this number by 25.4 to convert to inches. The next series of numbers and letters (77H) will be the speed rating and load index of the tire.

Hotel Discounts For Healthcare Workers 2021, Pokemon Fire Red Learn Any Tm Cheat, Why Doesn't Anthony Wiggle Wear Shoes, I Need You By My Side Tiktok Lyrics, Paragon Cheats Reddit, Asic Immersion Cooling, Why Do Therapists Hate Life Coaches, White Paint House Exterior, What Kind Of Salt For Tequila Shots, Union County Nc Court Docket, ,Sitemap