A reconfigurable bed rack system and methods of manufacture and use that is dynamic, adaptable, lightweight, and easy to install are provided. The bed rack system may include a plurality of U-shaped modular telescoping support structures that allow for a height adjustment to the rack without uninstalling the rack from the truck bed. Through the telescoping feature of the U-shaped support structures, a height dimension of the bed rack system may be increased or decreased. One or more side and/or upper rails may extend between the plurality of U-shaped modular telescoping supports for attaching one or more mounting brackets to secure equipment, tools and/or supplies to the bed rack system. The rack system may also include a tire hoist bracket assembly including a hoisting system to store a spare tire against an upper, inner surface of the rack system.