Product information "ST THREE Performance 505mm 1.5mm thickness
ST03 performance body, short wheelbase, best aerodynamics, low overhang 505 mm , below the minimum weight of the EFRA, but 550g achievable with wings.
Agile driving behaviour.
1.0mm Thickness for EFRA.
Also Available in 1.5mm Thickness for Sportsclass, Race Car Series & Hobby usage achieving also minimum weight for legality. 
Wing & Decal sheet are sold separately.