Do more with your Burley Design Child Trailer This 2-Wheel Stroller Kit converts your trailer from a kid hauler to a stroller in two easy steps. Just slide the wheel into the existing mount and lock into place. These pivoting wheels give you optimum maneuverability in tight places. Comes with a convenient storage bag. Compatible with Burley Design Trailer models D"Lite, Encore and Solo model year 2007 and newer and Tail Wagon pet trailer model year 2008 and newer. Burley stands for safety, quality and innovation. From trailers to accessories, all of our products promise you the ultimate ride.