18
Jul
How to Read a Tire Sidewall Tire size. Each number and letter specifies the size and type of tire.
In this case the tire is 245 millimeters at its widest point when its mounted on a wheel of a specified width.
How to read sidewall of tires. 225 identifies the tire section width which is the measurement of the tire from sidewall to sidewall in millimeters. This measurement varies depending on the rim to which it is fitted. There are 254 millimeters per 1 inch 50 is the two-figure aspect ratio.
How to Read a Tire Sidewall Tire size. If youre in the market for tires the size code will be the first consideration for selecting the right tire. Department of Transportation Code.
All tires must have a US. Department of Transportation DOT number which. Uniform Tire Quality Grade.
The larger the number the wider the tire. The 60 refers to the aspect ratio which is the nominal sidewall height reflected as a percentage of section width. So the sidewall height on this tire is 60 of 225 or approximately 135 millimeters.
Radial - A tire with a radial construction must show the word RADIAL on the sidewall. A radial tire is also indicated by the character R in the size designation. The Sidewall is measured from sidewall to sidewall in millimeters.
A common width is 225. Up next is the section width or the width from the sidewall to sidewall in millimeters. Following that is the aspect ratio which well explain when we get down to the hard numbers.
In this case the tire is 245 millimeters at its widest point when its mounted on a wheel of a specified width. 2 The number after the slash indicates its aspect ratio or profile. The 225 is the width of the tire in millimetres from sidewall to sidewall.
The 65 refers to the. In this example 235 section width in millimeters 75 aspect ratio tire heightsidewall profile expressed as a of tire width 15 wheel diameter in inches. If there is a P on the sidewall it stands for passenger car This refers to the US.
P-metric method of tire sizing. LT stands for Light Truck ST is for Special Trailer and T stands. A lot can be learned by reading the tires sidewall.
The following illustration shows a typical information on the sidewall of a passenger car or light truck tires. Being able to read and understand the information molded on a tires sidewall will make it easier for you to identify and purchase your required tire. How to Read a Tire Sidewall Dimensions.
Tire sizes are expressed with three numbers. For example on a P21565R17 tire 215 is the width of the tire. Hurry Up and Weight.
The load index and speed ratings are grouped together denoted for example as 98H. It refers to the sidewall height as a percentage of the section width. Find the aspect ratio by looking for the two-digit number after the slash.
Our example tire has an aspect ratio of 65 meaning that its sidewall height is 65 percent of its 205mm section width. Find the tire construction after the aspect ratio. This is the height of the sidewall from the rim to the tread expressed as a percentage of the tread width.
For example if the tire is 205 mm wide and its aspect ratio is 50 then the sidewall is about 1025 mm tall 50 percent of 205 mm. Sidewall height is important for a number of reasons. Tak from Toyo Tires gives us some.
The use of a partial Tire Identification Number on the one sidewall shown above reduces the risk of injury to the mold technician that would have to install the weekly date code on the top sidewall portion of a hot tire mold. Jess explains how to read the numbers on a car or truck tire sidewall. Each number and letter specifies the size and type of tire.
It is important to know.