Today on our 2012 GMC Sierra, well be test fitting the Softride Dura Parallelogram tilting four bike carrier, part number sr26247. To begin our test fit well slide the shank of the carrier into the opening of the hitch, line up our thread and pin holes, and thread our anti-bolt through the thread of pin holes and tighten them with a wrench. Now lets go over some clearance measurements to see how… see more >