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Tire Unit Indication
Tire Inflation Pressure (32 psi)
Proper inflation
pressure
Tread width
The contact area between the
ground and tire faces the
tread layer completely. Thus
the driving force and the
braking force are optimized,
and the tire is worn out evenly
resulting in increased life.
= Nominal section height (H) / Nominal section
Excessive inflation pressure
Tread width
The contact area between
the ground and tire is not
enough, so the tire is worn
out unevenly and the tire is
vulnerability to outside
influence.
4170-34
Aspect ratio (%)
width (W)
X 100
Low inflation
pressure
Tread width
The contact area between the
ground and tire is excessive,
so a lot of heat is generated
and the tire is worn out
unevenly and abnormally.
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