Aosom Elite 2in1 Double Baby Bicycle Bike Trailer and Stroller It is easier to assemble and fold down than our basic version and also has 4 reflectors on the front and back. This new and improved version features a hand brake system with lock Quickly converts to a stroller without using tools With our 20" wheels and suspension system, you can travel on nearly all types of terrain. It's great for parents who like biking, jogging and taking long walks. 100 lb. total child capacity; seats one or two children