Dimension designation for wheel rim
Wheel and rim dimensions are designated in accordance with the examples in the table below.
The car has an approval for the complete vehicle with certain combinations of wheel rims and tyres.
Front wheel rim: 9Jx21x35
Rear wheel rim: 10Jx21x30
| 9/10 | Rim width in inches |
| J | Rim flange profile |
| 21 | Rim diameter in inches |
| 35/30 | Off-set in mm (distance from wheel centre to wheel contact surface against the hub) |