Load bar for Thule Evo roof rack system\nWindDiffuser technology disturbs airflow to reduce noise and drag for improved fuel economy\nTrailEdge design reduces aerodynamic drag by allowing clean air separation from bar\nSmartSlides slidable length scale doubles as an under-bar aerodynamic cover, providing quick, no-hassle rack installation\nSwingBlade end cap pivots open to allow full access to the T-slot for easy accessory installs\nUpper T-track with QuickAccess interface allows smooth installation and removal of accessories\nBoxBeam internal structure creates an exceptionally strong load bar\n