All wheel rims have a dimension designation, for example: 8.5Jx19x47.5.
8.5 | Rim width in inches |
| J | Rim flange profile |
19 | Rim diameter in inches |
47,5 | 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.