Lexus RX350 2023 Manual page 541

Tire related term
Outer diameter
Overall width
Passenger car tire
Ply
Ply separation
Pneumatic tire
Radial ply tire
Reinforced tire
Section width
Sidewall
Sidewall separation
Snow tire
8-1. Specifications
Meaning
The overall diameter of an inflated new tire
The linear distance between the exteriors of the
sidewalls of an inflated tire, including elevations due
to labeling, decorations, or protective bands or ribs
A tire intended for use on passenger cars, multipur-
pose passenger vehicles, and trucks, that have a
gross vehicle weight rating (GVWR) of 10,000 lb.
or less.
A layer of rubber-coated parallel cords
A parting of rubber compound between adjacent
plies
A mechanical device made of rubber, chemicals,
fabric and steel or other materials, 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 substantially 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, excluding 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
Traction in a Straight Line on Snow-and Ice-Cov-
ered Surfaces, and which is marked with an Alpine
Symbol ( ) on at least one sidewall
541
8