Today on our 2005 Pontiac Vibe, well be test fitting the Thule Big Mouth Roof Mounted Bike Rack, part number TH599XTR. With a Thule Square Load Bar System assembled onto our vehicle, well begin our test fit by placing the Big Mouth directly onto our bars. Here at the front, well bring the clamp around the front bar, drop the T-bolt through the appropriate slot and use the wing nuts to tighten in… see more >