Today on our 2013 GMC Terrain we're going to be test fitting the Thule Helium Aero, a tilting 2 Bike Rack for 1-1/4" and 2" hitches, part number TH9042. To begin our test fit we'll slide the shank of the bike rack into the receiver tube of our hitch. As we do this we'll want to be sure to pull out on the attached pin. We'll now line up our pin hole, allow the attached pin to drop in, and turn the… see more >