Today on our 2012 GMC Acadia, well be test fitting the Thule Doubletrack Platform-Style 2 Bike Carrier, part number TH990XT. To begin our test fit well slide the shank of the carrier into the opening of the hitch tube, align up our threaded pin hole and well thread our anti-rattle bolt through our threaded pin hole and tighten with a wrench. Now lets go over some clearance measurements to see how… see more >