6-1. Specifications
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the
strands which form the plies in a tire.
Summer tire or all season tire
An all season tire has "M+S" on the sidewall. A tire not marked
"M+S" is a summer tire.
Radial tires or bias-ply tires
A radial tire has RADIAL on the sidewall. A tire not marked RADIAL
is a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly filled in the
tire. A tube type tire has a tube inside the tire and the tube main-
tains the air pressure.
Load limit at maximum cold tire inflation pressure
Maximum cold tire inflation pressure
This means the pressure to which a tire may be inflated.
Uniform Tire Quality Grading
For details, see "Uniform Tire Quality Grading" that follows.
"TEMPORARY USE ONLY"
A compact spare tire is identified by the phrase "TEMPORARY USE
ONLY" molded into its sidewall. This tire is designed for temporary
emergency use only.
582
(P. 458)
(P. 588)
(P. 588)
(P. 533)