Today on our 2009 Nissan Altima, well be test fitting the Thule Vertex four bike carrier for 1-1/4 and 2 hitches, part number th9029. To begin our test fit, well slide the shank of the carrier into the receiver tube of our hitch, line up the pin hole and thread in our anti-rattle bolt and tighten it with a wrench. Now well go over some clearance measurements, we have a ground clearance of 8, from… see more >