The Backbone is an interior structure set up on the inside of the JEEP JK Wrangler. Two 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 100kg or 220lb.• All the internal support frames
• Mounting Plates so you can attach a 2 bar roof rack system
• Fitting Hardware required for the install