Lexus GX460 Manual page 785

Tire related term
Test rim
Tread
Tread rib
Tread separation
Treadwear indicators
(TWI)
Wheel-holding fixture
*
: Table 1  Occupant loading and distribution for vehicle normal load for various
designated seating capacities
GX460_U.S.A. (OM60G24U)
Meaning
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 contact with the
road
A tread section running circumferentially around a
tire
Pulling away of the tread from the tire carcass
The projections within the principal grooves
designed to give a visual indication of the degrees of
wear of the tread
The fixture used to hold the wheel and tire assembly
securely during testing
6-1. Specifications
6
785