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T
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ir_e _s
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a
_ n_
d
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w
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h
_ e_ e_l_
s
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Groove
means the space between two adjacent tread
ribs.
Load rating
(code)
means the
maximum
load
that
a
tire
is rated to carry for a given
inflation pressure
.
You may not find this information
on all tires
because it is
not
required by law.
Maximum
load rating
means the
load
rating
for
a
tire
at the maximum permissible infla-
tion pressure for that tire.
Maximum
loaded
vehicle
weight
means the sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight, and
(d) Production options weight
Maximum
(permissible)
inflation
pressure
means
the
maximum cold inflation pressure
to
which a tire
may
be
inf
lated. Also called "maximum inflation pressure ."
Normal
occupant
weight
means 150 lbs. (68 kilograms) times the number of occupants
seated
in the
vehicle up to the
total
seating capacity of your vehicle.
Occupant
distribution
means distribution
of occupants in a vehicle
.
Outer
diameter
means the overall diameter of an inflated new tire.
Overall
width
means the
linear
distance between the exteriors of the sidewalls of
an
inflated
tire, including elevations due
to
labeling, decorations,
or
protective bands or ribs
.
Ply
means
a layer
of rubber
-coated
parallel
cords.
Production
options
weight
means
the combined weight
of
those
installed
regular production
options weighing over 5
lbs.
(2.3 kg) in excess of those standard
items which
they
replace, not
previously
considered in curb weight
or accessory weight, including heavy duty brakes, ride levelers, roof
rack,
heavy
duty
battery, and special trim.
Radial
ply tire
means
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.
Recommended
inflation
pressure
see
=:>
page
237, "Cold
tire
inflation
pressure".
Reinforced
tire
means a tire designed to operate at
higher loads
and at higher
infla-
tion pressures than the corresponding
standard tire. Reinforced
tires
my be
identified
as "XL", "xi", "EXTRA
LOAD",
or "RF"
on
the
sidewall.
Rim
means a metal support for a tire or a tire and tube assembly upon
which the tire beads are seated
.
Rim diameter
means nominal diameter of the bead seat. If
you
change your wheel
size, you will have to purchase new tires to match the new rim diam
-
eter.
Rim size designation
means rim diameter and width.
Rim width
means nominal distance between rim flanges
.
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