The invention relates to a solar roof system (2) comprising: a roof surface (18) having solar panels (20); at least two base support elements (4) for retaining the roof surface (18), wherein each base support element (4) has a main support (6) which is formed by a closed hollow profile which is bent in a bending region (8) by less than 90 degrees and more than 60 degrees, and which has at least one straight first support section (10) connected to the bending region (8), wherein the first support section (10) serves to retain the roof surface (18); at least three framework elements (12, 14, 16, 42) by means of which the first support section (10) is secured down on a bend outer side (17) of the bending region (8) in the intended installed state of the solar roof system (2); and at least two mount adapters (24) assigned to the base support elements (4) for securing the base support elements (4) to a mount (26).