Chevrolet 2010 Colorado, Руководство пользователя

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Tire Size
The following illustration shows an example of a
typical passenger vehicle tire size.
(A) P ‐ Metric Tire
:
The United States version of a
metric tire sizing system. The letter P as the first
character in the tire size means a passenger
vehicle tire engineered to standards set by the
U.S. Tire and Rim Association.
(B) Tire Width
:
The three ‐ digit number indicates
the tire section width in millimeters from sidewall
to sidewall.
(C) Aspect Ratio
:
A two ‐ digit number that
indicates the tire height ‐ to ‐ width measurements.
For example, if the tire size aspect ratio is 70, as
shown in item C of the illustration, it would mean
that the tire's sidewall is 70 percent as high as it
is wide.
(D) Construction Code
:
A letter code is used to
indicate the type of ply construction in the tire.
The letter R means radial ply construction; the
letter D means diagonal or bias ply construction;
and the letter B means belted
‐ bias ply
construction.
(E) Rim Diameter
:
Diameter of the wheel in
inches.
(F) Service Description
:
These characters
represent the load index and speed rating of the
tire. The load index represents the load carry
capacity a tire is certified to carry. The speed
rating is the maximum speed a tire is certified to
carry a load.
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