09
Dec
Help you better understand how the UTQG rating works. The first three digits on our tires are reading 225.
The diameter of the tire in inches.
Meaning of numbers on tires. Tire service type ratings. Most tire sizes begin with one or more letters – for example P or LT. The letter tells us.
P P-Metric Example. The Meaning of Tire Numbers Tire Size Code. Service description load index speed rating.
Before tire numbers you will see onetwo letters or. Department of Transportation DOT code must be on all tires to be legal for selling and usage in the US. Uniform Tire Quality Grading.
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. 245 Section WidthTread mm The section width is the width of the tire from one sidewall to the other measured in millimeters. Is the ratio of the height of the tires cross-section to its width.
The two-digit number after the slash mark in a tire size is the aspect ratio. 65 in the sequence is the aspect ratio of the tire. The aspect ratio is a percentage and it tells you the ratio of the tires height to its width.
In this example the aspect ratio number 65 means that the tires height is 65 percent of its width. A tires load index is a measurement of how much weight each tire is designed to support. The larger the number the higher the load capacity.
The first three digits on our tires are reading 225. This means that the tire width of our tire from sidewall to sidewall is 225 millimeters wide. When we use tire type P or P-Metric it means that the tire is made according to certain standards of the United States drafted by TRA for passenger vehicles.
If theres no letter before the first number you have a metric tire most commonly referred to as European size. Its also measured in millimeters but may have different load capacity than a P or LT tire. TIRE WIDTH The three-digit number following the letter is the tires width from side to side looking at the tire head on in millimeters.
It features nearly all the letters and numbers youll usually see on the sidewall of a modern tire which give us a lot of information about the tire type date of production origin and many. After the forward slash the next number on our example tire is 65. This is the tires aspect ratio or its percentage of width to sidewall height.
In this case 65 means that the tires height is. 1 These are some of the most important numbers on any tire as they tell you how big your tires are. In this case the tire is 245 millimeters at its widest point when its mounted on a wheel of.
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 load and speed indices type of tube and the like. These sets of numbers and letters may either be measured in Metric Alpha or using the rare Standard Inch. The tire diameter is given for High Flotation tires and omitted from Numeric tires.
The diameter of the tire in inches. 3- or 4-digit number. The section width cross-section of the tire in inches.
If the tire diameter is not given section widths ending in zero eg 700 or 1050 indicate the aspect ratio of 92 while section widths not ending in zero eg 705 or 1055 indicate the aspect ratio of 82. After the tirewheel size there is often a gap followed by a set of numbers and letters. These denote the tires load index or how much weight the tire can carry.
The letters and numbers. Often I receive calls about a tires life and the tires relationship to its assigned UTQG treadwear indicator. UTQG numbers are assigned to indicate a tires overall level of performance and tread hardness.
These numbers beginning at 0 for race products and traveling north of 800 for some. Help you better understand how the UTQG rating works. 100-700 - The first number is an indication of how long the tire will last based on how the tire wears during a predefined test.
Each manufacturer assigns Treadwear Grades based on wear during a 7200 mile test. The test includes a vehicle What Does the UTQG Rating Mean. Two numbers that follow the forward slash represent the profile of the tire or also known as the aspect ratio.
This is a two digit number that is a measurement of the height of the cross-section of the tire to its width. The lower this number the more your tires will look like rubber bands.