Today on our 2007 Ford Crown Victoria well be test fitting part number Y02451. This is the Yakima Doubledown Ace four bike carrier for both inch and a quarter and two inch hitches. With the adapter already on our bike rack shank well slide the shank into the hitch, line up the hitch pin hole and install the attached hitch pin. With that done well then simply move to the back of the shank and… see more >