A cargo bike can be defined as any bicycle or tricycle that has an added basket attached to hold items. For our purposes, we have defined a cargo bike more specifically. Our definition of a family cargo bike is one with three wheels (a tricycle) and a large basket to hold cargo attached over the back two wheels. The reason we have chosen this definition is that we wanted to make sure that a family cargo bike would hold the gear and groceries needed for a family of three or more people.