Today we're going to take a look at the Rhino Rack cable core lockdown. This is going to work for your Rhino Rack heavy duty crossbars. It's going to allow you to secure any of your accessories on top of your roof rack to the bars themselves. Now the one end with our lock core is going to install into the T-track on our roof rack system. So we'll have this nut plate that's going to slide into that… see more >