Today on our 2007 Dodge Durango well be test fitting the Thule Vertex 4-Bike Rack for 1-1/4 and 2-inch hitches, part number th9029. To begin our test fit well slide the shank of the carrier into the receiver tube of the hitch, line up the pin hole, and thread in our anti-rattle bolt tightening it down with a wrench. Now well go over a few clearance measurements. We have about 20 inches of ground… see more >