Summary of recent changes
Current class specification.
Any 1/10 on-road car; foam or rubber tires only.
SXT 3.0 Medium (black cap) traction compound only. Open ROAR racing spec motors. Snowbird Nationals 2020 rules apply unless superseded by class-specific governing bodies (USGT, U.S. VTA, Tamiya TT-02, etc.). Minimum 5 entries per class.