OTE
● European/Japanese metric tire sizing is based on Euro-
pean/Japanese design standards. Tires designed to these
standards have the tire size molded into the sidewall
beginning with the section width. The letter “P” is
absent from this tire size designation. Example:
215/65R15 96H.
● LT (Light Truck) -metric tire sizing is based on U.S.A.
design standards. The size designation for LT-metric
tires is the same as for P-metric tires except for the let-
ters “LT” that are molded into the sidewall preceding
the size designation. Example: LT235/85R16.
● Temporary spare tires are high pressure compact spares
designed for temporary emergency use only. Tires
designed to this standard have the letter “T” molded
into the sidewall preceding the size designation. Exam-
ple: T145/80D18 103M.
Service Description
EXAMPLE: 95H
P
Passenger car tire size based on U.S.A. design
standards
215 Section width in millimeters (mm)
65
Aspect ratio in percent (%)
Ratio of section height to section width of tire.
R
Construction code
• “R” means radial construction.
• “D” means diagonal or bias construction.
15 Rim diameter in inches (in)
95
Load index
A numerical code associated with the maximum
load a tire can carry.
H
Speed symbol
A symbol indicating the range of speeds at
which a tire can carry a load corresponding to its
load index under certain operating conditions.
The maximum speed corresponding to the speed
symbol should only be achieved under specified
operating conditions. (i.e. tire pressure, vehicle
loading, road conditions and posted speed lim-
its)
BK0120400US.book 25 ページ ２０１０年５月１２日 水曜日 午前１０時５０分
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