Humber Dynamic Cargo 2Humber Dynamic Cargo 2 A compact two wheel electric cargo bike made for quick, practical and stable everyday transport. The Dynamic Cargo 2 gives you useful load space in a narrower format than a three wheel cargo bike, making it well suited to urban riding, school runs and day to day errands. Humber electric cargo bikes combine Danish design, practical everyday transport and reliable Promovec electric assist systems. Built for family journeys,