For U.S.A.

The following information has been compiled according to Code of Federal Regulations “Title 49, Part 575”.

    See also:

    Center ventilators
    Center ventilators Move the tab to adjust the flow direction. ...

    Determining compatibility of tire and vehicle load capacities
    The sum of four tires’ maximum load ratings must exceed the maximum loaded vehicle weight (“GVWR”). In addition, sum of the maximum load ratings of two front tires and of two rear tires must exceed ea ...

    Uniform tire quality grading standards
    This information indicates the relative performance of passenger car tires in the area of treadwear, traction, and temperature resistance. This is to aid the consumer in making an informed ch ...