Today, on our 2012 GMC Terrain, we're going to be test fitting the Thule Sidearm wheel mount bike carrier, part number TH594XT. We already have a bike installed on the rack. Let's go ahead and take a closer look and show off some of the features. Now, first off, how this actually attaches to the bike rack, there's going to be no frame contact at all. Plus, unlike most roof mount bike carriers,… see more >