• Thule front stopper 321 • For safe roof transport of loads up to 6 meters in length. • The modular system allows you to create your own safe transport solution for longer and bulkier loads. • An excellent complement to Thule Conduit Box 317 if you want to transport pipes over 3 meters long or have larger diameters. • This safety accessory is easy to install and is made of a durable and protective polymer. • City Crash has been tested and approved thanks to the impact plate integrated behind the plastic protector.