A hub bracket structure includes a hub bracket that connects a trailing arm and a hub carrier, wherein the hub bracket includes a bracket body that includes a mounting surface mounted with the hub carrier, and a rear connector that extends from the bracket body toward the trailing arm behind a ground contact point of a rear wheel, and the rear connector is extended to a position to overlap with a rear surface of the trailing arm in a front-rear direction and is joined to the rear surface of the trailing arm.

A hub bracket structure includes a hub bracket that connects a trailing arm and a hub carrier, wherein the hub bracket includes a bracket body that includes a mounting surface mounted with the hub carrier, and a rear connector that extends from the bracket body toward the trailing arm behind a ground contact point of a rear wheel, and the rear connector is extended to a position to overlap with a rear surface of the trailing arm in a front-rear direction and is joined to the rear surface of the trailing arm.