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WHEELS AND TYRES
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321
pressure can be selected to give the best possi-
ble fuel economy. If the best possible noise and
travelling comfort conditions are sought, the
lower comfort pressures are recommended
instead.
(See approved tyre pressures(p. 410).)
Related information
•
Tyres - speed ratings (p. 322)
•
Tyres - direction of rotation (p. 319)
•
Tyres - maintenance (p. 318)
•
Tyres - tread wear indicators (p. 320)
•
Tyres - approved tyre pressures (p. 410)
Wheel and wheel rim dimensions
Wheel and rim dimensions are designated in
accordance with the examples in the table
below.
The car has an approval for the complete vehicle.
This means that there are certain combinations
of wheels and tyres that are approved.
For information about approved dimensions, see
Wheels and tyres - approved dimensions
(p. 406).
Wheels (rims) have a designation of dimensions,
for example: 7Jx16x50.
7 Rim width in inches
J Rim flange profile
16 Rim diameter in inches
50 Off-set in mm (distance from wheel cen-
tre to wheel contact surface against the
hub)
Related information
•
Wheel nuts (p. 323)
Tyres - dimensions
The car's tyres have a certain dimension, see the
examples in the table below.
The dimensions are stated on all car tyres. Exam-
ple of designation:215/55R16 97W.
205 Tyre width (mm)
50 Ratio between tyre wall height and tyre
width (%)
R Radial ply
17 Rim diameter in inches (")
93 Codes for the maximum permitted tyre
load, load index (p. 322) (LI)
W Speed rating for maximum permitted
speed, speed rating (p. 322) (SS). (In
this case 270 km/h (168 mph)).
The car has an approval for the complete vehicle
with certain combinations of wheel rims and
tyres.
For information about approved dimensions, see
Wheels and tyres - approved dimensions
(p. 406).
Related information
•
Tyres - air pressure (p. 320)
•
Tyres - direction of rotation (p. 319)
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