The Rhino-Rack 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.
The RJKB3 Rhino-Rack Backbone comes with:
All the internal support frames
Mounting Plates so you can attach a 2 bar roof rack system or the Pioneer Platform
Fitting Hardware required for the install
Designed for use with the Bestop Sunrider
Compatible with 52121 and 42121 Pioneer Platforms