XL is the marking for an extra reinforced tire in order to expand the load capacity. This information is used to contact consumers if a tire defect requires a recall.Īn E with a number in a circle assigned by the Economic Commission for Europe, that declares the tire meets the minimum safety requirements of all directives applicable in the EU.Īn E with a number in a frame assigned by the Economic Commission for Europe, that declares the tire meets the minimum noise requirements for the EU The other numbers in the middle are used at the manufacturer's discretion as a code. For example, the numbers 2212 mean the 22nd week of 2012.
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The last four numbers represent the week and year the tire was built.
#Atv tire aspect ratio calculator code#
The next two numbers or letters are the plant code where it was manufactured. This assures that your tire complies with all Department of Transportation (DOT) safety standards. Radial tires are the industry standard and refers to the internal belts being 90 degrees to the direction of travelĢ-digit number (in inches) that indicates the tire is designed to fit on a wheel with a 16-inch diameter.Ģ-digit number that indicates how much weight the tire is certified to carry at maximum safe inflation.ġ letter or 1 letter/number combo which indicates the top speed at which a tire is certified under specified conditions. The lower the ratio, the smaller the sidewall height. It is expressed as a % of the tire width. Typically, the higher the number the wider the tire.Ģ-digit number that gives the approximate sidewall height. 3-digit number that gives the approximate tire width in mm.