Roof rails are a popular way for many drivers to increase the load capacity of their vehicles. Especially station wagons, minibuses and SUVs, i.e. vehicle categories that are characterized by their versatility and high practical utility in business and leisure, are often equipped with roof rails ex works. For station wagons and light commercial vehicles, roof rails are often available as an optional extra. However, many owners decide to equip their cars with the luggage rails after the fact. Buyers of used cars are also interested in expanding the load capacity of their vehicle with a roof rail. on.