Lexus NX 300h 2020 Owner's Manual page 441

Tire related
term
A mechanical device made
of rubber, chemicals, fabric
and steel or other materials,
Pneumatic that, when mounted on an
tire 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
Radial ply
the beads are laid at sub-
tire
stantially 90 degrees to the
centerline of the tread
A tire designed to operate
at higher loads and at
Reinforced
higher inflation pressures
tire
than the corresponding
standard tire
The linear distance between
the exteriors of the sidewalls
Section of an inflated tire, excluding
width elevations due to labeling,
decoration, or protective
bands
That portion of a tire
Sidewall
between the tread and bead
The parting of the rubber
Sidewall sep-
compound from the cord
aration
material in the sidewall
Meaning
8-1. Specifications
Tire related
term
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
Snow tire
Method for Single Wheel
Driving Traction in a
Straight Line on Snow-and
Ice-Covered Surfaces, and
which is marked with an
Alpine Symbol (
least one sidewall
The rim on which a tire is fit-
ted for testing, and may be
Test rim
any rim listed as appropri-
ate for use with that tire
That portion of a tire that
Tread comes into contact with the
road
A tread section running cir-
Tread rib
cumferentially around a tire
Tread sepa- Pulling away of the tread
ration from the tire carcass
The projections within the
Treadwear principal grooves designed
indicators to give a visual indication of
(TWI) the degrees of wear of the
tread
The fixture used to hold the
Wheel-hold-
wheel and tire assembly
ing fixture
securely during testing
*
: Table 1  Occupant loading and distri-
bution for vehicle normal load for vari-
ous designated seating capacities
439
Meaning
) on at
8