The Rhino-Rack Sportz bar comes in 6 different predefined lengths to suit different vehicles. All bars have Zwifloc channel, empowering you to effortlessly switch setups for various activities at a moment's notice.Under bar slider for ease of leg installation and Twin Strip Technology, redefining wind management, our new Twin strips leverage cutting-edge geometry to smoothly guide airflow over the bar, significantly reducing channel splitting and associated wind noise. All bars include end caps.