Toyota MIRAI 2021 Owner's Manual page 498

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498
9-1. Specifications
Tire related term
Pneumatic tire
Radial ply tire
Reinforced tire
Section width
Sidewall
Sidewall separation
Snow tire
Test rim
Tread
MIRAI Owners Manual_USA_M62034_en
Meaning
A mechanical device made of rubber,
chemicals, fabric and steel or other materi-
als, that, when mounted on an automotive
wheel, provides the traction and contains
the gas or fluid that sustains the load
A pneumatic tire in which the ply cords that
extend to the beads are laid at substan-
tially 90 degrees to the centerline of the
tread
A tire designed to operate at higher loads
and at higher inflation pressures than the
corresponding standard tire
The linear distance between the exteriors
of the sidewalls of an inflated tire, exclud-
ing elevations due to labeling, decoration,
or protective bands
That portion of a tire between the tread
and bead
The parting of the rubber compound from
the cord material in the sidewall
A tire that attains a traction index equal to
or greater than 110, compared to the
ASTM E-1136 Standard Reference Test
Tire, when using the snow traction test as
described in ASTM F-1805-00, Standard
Test Method for Single Wheel Driving Trac-
tion in a Straight Line on Snow-and Ice-
Covered Surfaces, and which is marked
with an Alpine Symbol (
one sidewall
The rim on which a tire is fitted for testing,
and may be any rim listed as appropriate
for use with that tire
That portion of a tire that comes into con-
tact with the road
) on at least

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