Complete pickup truck bed system with innovative height adjustability and wind tunnel-optimized aerodynamics. CustomAdjust bar height provides maximum carrying versatility for easy loading, carrying, and storage. Integrated AirTrip bar technology redirects airflow for superior aerodynamics. WindDiffuser technology disturbs airflow to reduce noise and drag for improved fuel economy. Installation requires no cutting or drilling and only limited assembly. Tool-free load stop s included, help secure oversized loads. SecureLock locks the rack to the truck with four One-Key lock cylinders included.