| Modello | Dimesione del pneumatico |
|---|---|
| NK800 | 14.00-20-18PR |
| NK550VR | 12.00R20-18PR |
| NK500E-V | 12.00-20-18PR |
| NK400E-III | 11.00-20-16PR |
| NK300E-V | 10.00-20-14PR |
| NK250E-V | 11.00-20-14PR |
| NK200E-V | 10.00-20-14PR |
| NK1600 | 14.00-24-24PR |
| NK1200 | 14.00-24-24PR |
| CR250 | 385/95R25 170E strada |
| CR100 | 11R22.5 148/145 |