Vehicle roof support assembly

A vehicle roof structure assembly comprising:

• a mounting bracket having a first aperture disposed therethrough, wherein the mounting bracket is adapted to be secured to a roof region of a vehicle;
• a roof bow having a longitudinal body portion defining an inner channel, wherein the longitudinal body portion includes a bottom wall having a second aperture disposed therethrough, and wherein the roof bow is secured to the mounting bracket such that bottom wall engages the mounting bracket and the second aperture is axially aligned with the first aperture;
• a reinforcement bracket secured at an inner region to the roof bow, and secured at an outer region to the mounting bracket;
• an insert block disposed within the inner channel of the roof bow, wherein the insert block defines a third aperture disposed through a thickness of the insert block, and wherein the third aperture is axially aligned with the first aperture and the second aperture;
• and
• a fastener disposed through the first aperture, the second aperture, and the third aperture to rigidly secure the roof bow to the mounting bracket, and to rigidly secure the insert block to the roof bow.