Today on our 2015 GMC Acadia we will be test fitting the Saris Bike Porter tilting 4-bike rack. That's part number SA404-B. Now this can be used for 1-1/4" or 2" hitches. We've got a 2" hitch here today so we can go ahead and get started by loading our shank into our receiver. We'll go ahead and lined our pinholes up. Once we get those lined up we'll go ahead and take our included anti-rattle bolt… see more >