A strong, low-profile and aerodynamic rack system. Integrated bar and foot design. WindDiffuser™ technology to reduce noise and drag for improved fuel economy. Boxbeam™ load bar structure gives the load bars their strength. Pre-assembled. One bar with integrated feet per package to accommodate the aerodynamic front to rear taper of many vehicles. T-track compatible for fast mounting. For use with factory side rails. Compatible with OneKey lock cores.