Vehicle door having an intended for holding an outer mirror the mirror triangle

A vehicle door, which is by means of hinges on a motor vehicle can be arranged, wherein the vehicle door includes an inner wall, an outer wall and window guide profiles (18), wherein a mirror triangle (13) is provided for holding an outer mirror (4) above the outer wall and wherein the mirror triangle (13 ) (on its lower side 16) is provided with an extension which is (for holding the mirror triangle 13) on the vehicle door in a recess (21) of a bearing member of the door is inserted, characterized in that it is in the vehicle door to a frame door is, wherein the projection of the mirror triangle (13) in a hollow profile (22) of the corresponding profile frame (12) is inserted and that it engages the extension of the mirror triangle (13) engages positively into the recess (21) of the hollow profile (22) of the door ,