Maintenance – KIA Magentis 2006 User Manual
Page 206

MAINTENANCE
7-30
WHEEL SIZE DESIGNATION
Wheels are also marked with important
information that you need if you ever
need to replace one. The following
explains what the letters and numbers in
the wheel size designation mean.
Example wheel size designation: 15 X 6J
15 - Rim diameter in inches.
6 - Rim width in inches.
J - Rim contour designation.
TIRE SPEED RATINGS
The following chart below shows many
of the different speed ratings currently
used for passenger car tires. The speed
rating symbol is part of the tire size
designation on the sidewall of the tire.
This symbol corresponds to that tire’s
designed maximum safe operating speed.
UNIFORM TIRE QUALITY
GRADING
The following information relates to the
tire grading system developed by the
Canadian Motor Vehicle Safety Standard
(CMVSS) for grading tires by tread wear,
traction and temperature performance.
These temperature grades are molded on
the sidewalls of passenger vehicle tires.
Tires available as standard or optional
equipment on Kia vehicles may vary
with respect to grade.
MMSA7023
Treadwear 310 TractionB
Temperature B
Maximum Speed
S
180 km/h(112mph)
T
190 km/h(118mph)
H
210 km/h(130mph)
V
240 km/h(149mph)
Z Above
240km/h(149mph)
Speed Rating
Symbol
MS-CNA-Eng 7.QXD 7/25/2005 5:09 PM Page 30