Today on our 2014 GMC Yukon XL we'll be test fitting this SportRack Roof Mounted Bike Rack, part number Sr4622. With a factory roof rack system on our vehicle, we'll begin our test fit by placing the bike rack up onto the vehicle's crossbars. Starting at the front here, we'll take the rubber-coated U-bolts, go around the underside of the front bar, up through the pre-drilled holes at the head of… see more >