The VORTEX Rhino-Rack Backbone Systems have been engineered and designed to suit the contours of your Jeep®. Rhino-Rack Backbone technology works by running support structures through the inside of the Jeep® making it the strongest and most secure way to utilize your Jeep’s roof top. Weight rated up to 120kg / 264lb which is approximately 3x more than any other roof rack system available on the market.