The Rhino-Rack Universal Modular Backbone is a mounting system for a range of Canopies/Cap Toppers. The patented mounting mechanism allows for a modular angular adjustment across a wide range of Canopies/Cap Toppers.
The Rhino-Rack Backbone is an interior structure set up on the inside of the JEEP JK Wrangler 4 door. 3 plates on each side of the JEEP's Hard Top are connected with the interior frame extending your roof line to carry heavier loads.