Immer die Radfahrer (Cyclists Forever) is a 1958 Austrian / West German comedy film directed by Hans Deppe.
As students Fritz (Heinz Erhardt), Ulrich (Hans-Joachim Kulenkampff) and Johannes Wolf Albach-Retty went biking in Carinthia.
Twenty-five years later Fritz is a producer of alcoholic beverages, Ulrich is a stage actor and Johannes a teacher.
But things become complicated when Katinka, Fritz's future daughter-in-law, confronts him because she's mad about his son Robby (played by Peter Kraus).
Fritz and Johannes' wives and Ulrich's girl-friend hear rumours about their partners getting involved with women along the way.