Hitch bolt for DoubleDown series and Flipside bike racks. Includes 1/2" bolt, 2 washers, and 1 bridge pin. Also compatible with: HoldUp 1-1/4" hitch racks (substitute for part 8880129) BigHorn 1-1/4" hitch racks Note: NOT compatible with Double Down ACE series or HoldUp 2" or Big... See More