3-in-1 single-child carrier with stroller, bicycle trailer and jogger functionality support via the included accessories * Patented ultra-quick folding system for easy assembly and storage * Attaches securely to any adult bike via hitch arm and two-part axle attachment * Cockpit is safe and comfortable, with front and rear bumpers, padded five-point harnesses, padded headrests, and low center of gravity, and extra large rear storage space * Weather cover keeps out rain and sun, and mesh sides ensure ventilation