Rear wing device

A rear wing device for a motor vehicle having a longitudinal direction, the rear wing device comprising:

• two side parts extending parallel to the longitudinal direction and vertically;
• retaining devices;
• a wing body extending transversely with respect to the longitudinal direction of the motor vehicle and horizontally and disposed laterally between said two side parts, said wing body fastened to each of said side parts by one of said retaining devices, said retaining devices permitting adjustment of an angle of attack of a profile of said wing body in relation to a horizontal orientation;
• first guide pins;
• second guide pins;
• third guide pins;
• wing supports attaching to said wing body;
• each of said retaining devices having an adjusting screw and a guide body being adjusted by said adjusting screw along said adjusting screw and is coupled via one of said first guide pins to one of said wing supports, each of said retaining devices having slideways formed therein and configured in a fixed position relative to a respective one of said side parts;
• and
• said wing supports being adjusted in a manner guided by one of said second guide pins and one of said third guide pins in said slideways.