Kaupungin kovin jengi was released in the year 1980。Kaupungin kovin jengi is also called as Hog Wild, A tutto gas, Fous de la moto, Les, Kingi & His Säpinä Boys, Motos sauvages。

A boy (Tim Warner), expelled from military school, returns home to his fathers disappiontment. He discovers that a motorcycle gang has been terrorizing his high school, and falls in love with the girlfriend (Angie Barnes) of the gang's leader (Bull). He battles the gang, and wins both the admiration of his father and the love of the girl.

Kaupungin kovin jengi actors and actresses include Helene Udy, Michael Biehn, Michael Zelniker, Patti D'Arbanville。