Founded in 1895, Schwinn is an American icon, building some of the best-known and best-loved bicycles of all time. From its very beginning in Chicago, Illinois, the Schwinn mission has been to develop bicycles that allow people to experience the confidence and freedom that comes from riding a bike. Take your pet out on the road with the Schwinn Rascal Pet Trailer. This trailer is the perfect way to take your furry friend with you for a safe bike ride. Unique, folding, steel frame and quick-release wheels pack up neatly for compact storage and transport. For added versitility, an included coupler easily attaches to almost any bicycle. for added versatility. The aluminum rims and air-filled tires easily inflate with standard bicycle wheel tire pump. Designed for plenty of air ventilation, the cabin's internal leash is adjustable and keeps pets from leaping jumping out of the trailer. A rear doggy-door allows for easy entrance and exit, and holds one pet up to 50 pounds. This pet trailer comes unassembled. The wheels measure 16 inches.