The thule 769 rapid system roof bars the thule 769 rapid system is a set of square steel roof bars for mounting your bike carrier to the bars are protected with a black plastic coating and are 2mm thick for a complete roof bar system you will need to buy a foot pack a vehicle specific fitting kit and load barrier bars thule 769 rapid system roof bars features when choosing a transport solution always start with the load carrier traditional square bars in steel with black p