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536
8-1. Specifications
Vehicle Safety Standards.
Tire size
Typical tire size information
■
The illustration indicates typical tire
size.
Tire use (P = Passenger car, T =
A
Temporary use)
Section width (millimeters)
B
Aspect ratio (tire height to section
C
width)
Tire construction code (R = Radial,
D
D = Diagonal)
Wheel diameter (inches)
E
Load index (2 digits or 3 digits)
F
Speed symbol (alphabet with one
G
letter)
Tire dimensions
■
Section width
A
Tire height
B
Wheel diameter
C
Tire section names
Bead
A
Sidewall
B
Shoulder
C
Tread
D
Belt
E
Inner liner
F
Reinforcing rubber
G
Carcass
H
Rim lines
I
Bead wires
J
Chafer
K
Uniform Tire Quality Grading
This information has been prepared in
accordance with regulations issued by
the National Highway Traffic Safety
Administration of the U.S. Department
of Transportation.
It provides the purchasers and/or pro-
spective purchasers of Lexus vehicles
with information on uniform tire quality
grading.
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