The Rhino-Rack Backbone is an interior structure set up on the inside of the JEEP JL Wrangler. Three plates on each side of the JEEP's Hard Top are connected with the interior frame extending your roof line to carry heavier loads with the max load rating of up to 120kg or 264lb.
The RJLB1 Rhino-Rack Backbone comes with:
All the internal support frames
Mounting Plates so you can attach a 2 or 3 bar roof rack system or the Pioneer Platform