Thule's AeroBlade Edge is the first complete rack system to integrate a low profile, aerodynamic design with the strongest carrying capacity of any aftermarket roof rack. This single bar and foot unit is pre assembled and mounts to your vehicle with a Fit Kit. . 1 Integrated bar and foot design combines foot and bar together for a low profile, aerodynamic package, and pre assembled for fast, easy installation. WindDiffuser technology disturbs airflow to reduce noise and drag for improved fuel economy. Arched lightweight bar follows the curves and lines of your roof, complementing your vehicle. Boxbeam load bar structure creates the strongest aftermarket load bars in the world. Please consult the Thule Fit Guide to match the correct Thule parts with your vehicle..