Classes Summary
The ROK Cup USA class structure is consistent with the program recognized around the world: Micro ROK, Mini ROK, ROK Junior, ROK Senior, ROK Master, ROK Shifter and ROK Shifter Master.
| Class | Age | Weight | Engine | Rear Width | Kart #'s | Other |
|---|---|---|---|---|---|---|
| Micro ROK | 7-9 | 230lbs. | Mini ROK | 50in. | 1–99 | Exhaust restrictor, Gear Selection 11/82 or 10/75. Chest Protectors |
| Mini ROK | 8-12 | 245lbs. | Mini ROK | 50in. | 100–199 | Chest Protectors are MANDATORY for all drivers under 13 years of age. |
| Master ROK | 32+ | 390lbs | ROK GP | 55 1/8 in. | 600-699 | |
| Junior VLR | 12-15 | 310lbs | ROK VLR | 55 1/8 in. | 800-899 | Exhaust restrictor |
| Senior VLR | 15+ | 350lbs 360lbs |
ROK VLR | 55 1/8 in. | 900-999 | |
| Master VLR | 32+ | 380lbs 390lbs |
ROK VLR | 55 1/8 in. | 700-799 | |
| ROK Shifter | 15+ | 395lbs | ROK Shifter | 55 1/8 in. | 400-499 | |
| ROK Master Shifter | 32+ | 410lbs | ROK Shifter | 55 1/8 in. | 500-599 | |
| 125 ROK Shifter Limited | 35+ | 410lbs | ROK Shifter | 55 1/8 in. | 1-99 |
Track Maps
| National | Rev National | Sprint | Rev Sprint | Nat'l Pro | Nat'l Rev Pro |
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