Width:
The first number in the sidewall is the width in millimetres
Aspect
Ratio:
The Aspect Ratio measures the space starting from the edge of the sidewall
to the edge of you treads.
Construction
Type:
In most cases the construction will be radial, or R, as printed on the tire.
Diameter:
This
is the diameter of the rim needed to fit this particular tire. That is, the
rim and tire must have the same to diameter to accommodate each other. This
is measured in inches.
Load
Index:
Load index is an assigned number ranging from 0 to 279. These numbers
correspond with the load-carrying capacity of a tire. Most passenger car
tire load indexes range from 75 to 100.
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