Today on our 2016 GMC Acadia, we're test fitting the Pro Series Q Slot platform style 2 bike rack. It also has an adapter for a 4 bike rack. We have the 4 bike rack set up here. This bike rack is designed to work with 2 inch hitches. Part number for that is PS63138. First thing we're going to do is we're going to show you some features, and also how we strap on the bike to our rack. As you can see… see more >