A whole new look and better features

TMAC 2026: Stock Class Regulations

Stock Class Regulations

Modification History

May 15, 2026

Initial Version Posted



 

FAQs

Questions Answers 
Which pinion gear is permitted for the Carbon Reinforced Super FM Chassis? Only the 15453 Carbon Reinforced 8T Pinion Gear is allowed.
Can I combine special gear ratios, such as pairing Gray Counter Gear with Yellow Spur Gear or Gray Spur Gear with Light Blue Counter Gear? No, that is not allowed.
Is it allowed to use lock nuts for attaching 15412: Carbon Reinforced Rear Double Roller Stay (3 Attachment Points) to the chassis? No, that is not allowed.
Can batteries be wrapped? Yes, use clear plastic wrap so the label remains visible. Batteries with colored wrap, missing, or
damaged labels are not permitted.