[header] How to assemble & install an advantage glideaway bike carrier [title] Locate the receiver tube assembly (the heavy sub assembly wrapped in the brown corrugated insert) and the upright (the t-shaped component). [step] These two parts make up the base components for the rack. [title] Place the upright in position perpendicular to the receiver tube assembly. 
[title] Align the holes of the receiver tube assembly articulating arms with the lower two holes of the upright. [step] ( make sure the center hole in the top of the receiver tube is facing upward).