Uniform Tire Quality Grading Standards
A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S.
government testing procedures. The ratings are molded into the sidewall of the tire.
See also:
Bead
The tire bead ensures that the tire sits
securely on the wheel. There are several steel
wires in the bead to prevent the tire from
coming loose from the wheel rim. ...
M+S tires
At temperatures below 45 °F(+7 °C), use
winter tires or all-season tires. Both types of
tire are identified by the M+S marking.
Only winter tires bearing the
snowflake
symbol in addition to ...
GAWR (Gross Axle Weight Rating)
The GAWR is the maximum permissible axle
weight. The actual load on an axle must never
exceed the gross axle weight rating. The
gross axle weight rating can be found on the
vehicle identificat ...
