The transport rungs of the vehicle are arranged towards the support at least for the wheel brace between two sides which are connected and extend in the longitudinal direction of the vehicle. The transverse has two transverse portions arranged in the transverse plane and curved, and has a distal end with the shanks running across the transverse portion overlapping in the vertical plane. Each end has a thick support to support the nut and another support to support the head portion of the fastening bolt arranged in the horizontal plane.
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