Speed rating
The speed rating is part of the tire identification. It specifies the speed range for which the tire is approved.
See also:
Cleaning the wheels
WARNING
Do not use power washers with circular-jet nozzles (dirt grinders) to clean your
vehicle, in particular the tires. You could otherwise damage the tires and cause
an accident. ...
Tread wear
The tread wear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified
U.S. government course. For example, a tire
graded 150 wo ...
GTW (Gross Trailer Weight)
The GTW is the weight of a trailer including
the weight of the load, luggage, accessories
etc. on the trailer. ...