Roof frame for vehicle open roof

Roof frame (3) of an opening vehicle roof for assembling in a roof opening (2) of a fixed vehicle roof comprises at least one holder (5) in the side region of the roof frame which serves for fixing at least one support tube (6) supported on a side bar (9) of the fixed roof in the event of a side impact. Preferred Features: The holder is arranged on a vertical arm of a reinforcing plate (4). Several holders are provided. The support tube is arranged on a flange plate removably fixed to the holder. Two support tubes are provided on each side.