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10-1. Specifications
Tire information
Typical tire symbols
Full-size tire
▶
Tire size
A
DOT and Tire Identification Number (TIN)
B
Location of treadwear indicators
C
Tire ply composition and materials
D
Plies are layers of rubber-coated parallel cords. Cords are the strands which form the
plies in a tire.
Radial tires or bias-ply tires
E
A radial tire has [RADIAL] on the sidewall. A tire not marked [RADIAL] is a bias-ply
tire.
TUBELESS or TUBE TYPE
F
A tubeless tire does not have a tube and air is directly put into the tire. A tube type tire
has a tube inside the tire and the tube maintains the air pressure.
Load limit at maximum cold tire inflation pressure
G
Maximum cold tire inflation pressure
H
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
I
For details, see
Summer tires or all season tires
J
An all season tire has [M+S] on the sidewall. A tire not marked [M+S] is a summer tire.
690
Uniform Tire Quality Grading(→ P.693)
that follows.
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