| Modello | Tipo del pneumatico |
|---|---|
| RSC8EX | anteriori 250-15 posteriori 23x9/10 |
| RSC6EX | anteriori 23x9/10 posteriori 18x7/8 |
| Gregory RSC7EX | anteriori 23x9/12 posteriori 18x7/8 |
| Gregory RSC5EX | anteriori 23x9/9 posteriori 18x7/7 |
| Gregory RSC4EX | anteriori 200/50-10 posteriori 16x6/8 |
| Gregory RSC3EX | anteriori 18x7/8 posteriori 16x6/8 |