Today on our 2012 GMC Acadia, well be test fitting the Thule Vertex 4 Bike Carrier, part number TH9029. To being our test fit well slide the shank of the carrier into the opening of the hitch tube, align our threaded pin holes and well then thread our anti-rattle bolt through the threaded pin hole and tighten with a wrench. Now lets go over some clearance measurements to see how the bike carrier… see more >