Today on our 2013 GMC Yukon, we'll be test fitting the Thule Apex 4 Bike Carrier for 1-1/2 inch and 2-inch hitches, part number TH9025. To begin our test fit, we'll slide the shank of the carrier into the receiver tube of the hitch. Line up the pin hole and allow our attached pin to fall into place. We'll tighten the hand knob here at the rear of the shank to secure our bike racks to our… see more >