Top case
A top box is a container ( engl. Case ), the "up" on the luggage carrier of a motorcycle or - rollers (. As opposed to side-mounted suitcases or bags) is attached. Things can be transported or stored in it.
The top case is usually made of plastic . The capacity is measured in liters.
A top case is mounted relatively far away from the center of gravity of the vehicle, so that the weight including the load adversely affects the handling. The higher the weight, the more detrimental are the effects on driving behavior, such as a lower front wheel load, which usually increases the tendency to pendulum. The manufacturers therefore recommend maximum payload values for the cases they manufacture. The size and shape of the topcase also have an impact on the vehicle's driving dynamics . They are noticeable differently on motorcycles and scooters because of the different maximum speeds. What they both have in common, however, is a certain increased sensitivity to crosswinds.