Galvanized steel fabricated panels, Extruded aluminum cross bars, Injection molded Nylon cross bar end caps attach the cross bars securely to the fabricated side panels, Integrated side light mounts for standard cube stem mount LED lights, Integrated hole pattern for standard scene light mounts - two sets per side, Solid front fairing reduces wind noise while vented rear cover allows for air to escape reducing noise from turbulence, Front fairing and rear cover are removeable exposing multiple mounting hole patterns for a variety of lighting styles, Removeable front fairing and rear cover allow for storage of larger items such as paddle boards and kayaks, etc., Aluminum cross bars include a four-core extruded track system that works with any 1/4-20 hex bolt, Universal U bolt style mounting clamp system included, Modular construction allows the rack to ship via parcel (UPS/FedEx), Texture black powdercoat