Size designation for wheel rim
Wheel and rim dimensions are designated in accordance with the examples in the table below.
All wheel rims have a dimension designations, for example: 8Jx18x42.5.
|8||Rim width in inches|
|J||Rim flange profile|
|18||Rim diameter in inches|
|42,5||Off-set in mm (distance from wheel centre to wheel contact surface against the hub)|
The car has an approval for the complete vehicle with certain combinations of wheel rims and tyres.