Saris Cycle-On 2-Bike Add-on for Cycle-On and Cycle-On Pro Hitch Mount Racks Add-on extends the capacity of the Saris Cycle-On Pro hitch rack for two additional bikes For use with a 2-inch hitch Cycle-On rack, on a class III receiver only Weight capacity of 60 pounds per bike Cycle-On Pro rack holds bike at the wheelbase and never contacts the frame Built in Madison, Wisconsin; one-year warranty