This Vortex RLTF Trackmount system is attached to the set of Trackmount Rhino-Rack have designed for your vehicle’s roof. As a staple of Rhino-Rack leg and bar technology the RLTF Trackmount has been proven through over 22 years of developmental research. The high profile d esign is ideal for highly curved roofs or when extra height is required to level out multiple bars. Engineering and design reinforces Rhino-Rack’s commitment to producing only the strongest and most durable of the Vortex RLTF Trackmount systems.