Today on our 2014 GMC Yukon XL, we're going to be test fitting the Thule Helium Aero, a tilting 2 bike rack for inch and a quarter and 2 inch hitches, part number TH9042. To begin our test fit, we'll slide the shank of the bike rack into the receiver tube of the hitch. As we do this, we're going to hold on to the black attached pin. We'll line up our pin holes, allow the attached pin to fall into… see more >