Today on our 2013 Acura RDX well be test fitting the Thule Apex 4-Bike Carrier, part number TH9025. To begin our test fit, well slide the shank of the carrier into the opening of the hitch and insert the spring loaded pin into to the pinhole. Well then turn the black knob located at the base of the carrier to engage our anti-rattle device. Now lets go over some clearance measurements to see how… see more >