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Tire designations
Fig. 275 Tire designations on the side-
wall
(D Tires for passenger vehicles
(if applicable)
"P" indicates a tire for a passenger
vehicle. "T" indicates a tire desig-
nated for temporary use.
@ Nominal width
Nominal width of the tire be-
tween the sidewalls in millime-
ters. In general: the larger the
number, the wider the tire.
@ Aspect ratio
Height/width ratio expressed as a
percentage .
Wheels
@ Tire construction
"R" indicates a radial tire.
® Rim diameter
Size of the rim diameter in inche s.
® Load index and speed rating
The load index indicates the tire's
load-carrying capacity.
The speed rating indicates the
maximum permitted speed. Also
see
¢ &. in General information
on page 330.
"EXTRA LOAD", "xl" or " RF" ind i-
cates that the tire is reinforced or
is an Extra Load tire.
Speed rat-
Maximum permitted speed
ing
p
up to 93 mph (150 km/h)
Q
up to 99 mph (160 km/h)
R
up to 106 mph (170 km/h)
s
up to 110 mph (180 km/h)
T
up to 118 mph (190 km/h)
u
up to 124 mph (200 km/h)
H
up to 130 mph (210 km/h)
V
up to 149 mph (240 km/h)a)
z
above 149 mph (240 km/h)a)
w
up to 168 mph (270 km/h)a)
y
up to 186 mph (300 km/h)a)
a) For tires above 149 mph (240 km/h),
tire manufacturers sometimes use the
code "ZR".
331
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