Wheel And Wheel Rim Dimensions; Tyres - Dimensions; Tyres - Load Index - Volvo V40 Owner's Manual

Wheel and wheel rim dimensions

Wheel and rim dimensions are designated in
accordance with the examples in the table
below.
Wheels (rims) have a designation of dimen-
sions, 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
centre to wheel contact surface
against the hub)
Related information
•
Wheel bolts (p. 313)

Tyres - dimensions

The car's wheels, tyres and rims have a cer-
tain dimension, see the examples in the table
below.
The dimensions are stated on all car tyres.
Example 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. 315) (LI)
W Speed rating for maximum permitted
speed, speed rating (p. 316) (SS). (In
this case 270 km/h).
Related information
•
Tyres - air pressure (p. 321)
•
Tyres - direction of rotation (p. 311)
•
Tyres - tread wear indicators (p. 313)
09 Wheels and tyres

Tyres - load index

Load index indicates a tyre's ability to carry a
certain load.
Each tyre has a certain capacity to carry a
load, a load index (LI). The car's weight deter-
mines the load capacity required of the tyres.
Related information
•
Tyres - dimensions (p. 315)
•
Tyres - speed ratings (p. 316)
•
Tyres - air pressure (p. 321)
•
Tyres - tread wear indicators (p. 313)
09
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