The first complete rack system to integrate a low-profile, aerodynamic design with the strongest carrying capacity of any aftermarket rack. Features: Compatible with most accessories, some may require Xadapt kit Includes pre-assembled Aeroblade bar, and feet (locks sold separately) Features all of the benefits of the AeroBlade's aerodynamics, style and lack of noise, with a sleeker appearance for vehicles with raised or flush roof rails Selling unit includes one bar with two integrated feet. Vehicle applications may involve two different length bars. Consult thule.com for appropriate vehicle fit Xadapt may be required for some carriers WindDiffuser technology disturbs airflow to reduce noise and drag for improved fuel economy