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

09 Wheels and tyres
09

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. 314)
316

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. 316) (LI)
W Speed rating for maximum permitted
speed, speed rating (p. 317) (SS). (In
this case 270 km/h).
Related information
•
Tyres - air pressure (p. 322)
•
Tyres - direction of rotation (p. 312)
•
Tyres - tread wear indicators (p. 314)

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. 316)
•
Tyres - speed ratings (p. 317)
•
Tyres - air pressure (p. 322)
•
Tyres - tread wear indicators (p. 314)