Today on our 2002 GMC Envoy we're going to be test fitting the Thule Vertex Swing 4 bike rack, part number TH9031XT. The most unique feature about this bike rack is the fact it can swing away from the bike rack, allowing you full access to your cargo area without having to take the bike off. Let's go ahead and show you how that's done. We'll first loosen this big knob back here all the way like… see more >