Rhino-Rack Backbone for 2011-2016 Jeep JK Wrangler Unlimited 4-Door Hard Top

Rhino-Rack Backbone system for the 2011-2016 Jeep Wrangler Unlimited JK 4-Door with Hard Top. The Backbone system increases the roof load capacity and provides installation points for a roof rack. The Backbone provides the framework to increase the hard top's 60 pound load capacity to over 240 pounds when used with a compatible Rhino-Rack crossbar system. An internal support structure provides support for exterior fixed mounting points that allow you to install a Rhino-Rack two-bar or three-bar roof rack system (sold separately) to your Jeep Wrangler. With the Backbone, the load capacity (including the weight of the crossbars) for the Rhino-Rack 2-Bar System is 220 lbs on paved roads; 145 lbs on off-road conditions. The Rhino-Rack 3-Bar System load capacity is 264 lbs on paved roads, 176 lbs on off-road conditions.

Installation Specifics:

• Thoroughly read instructions before installation.
• Two person installation required (removal of hard top requires assistance).
• Removal of hard top required.
• Drilling into hard top required.
• Assembly required.
• Estimated installation time: 2 hours.

Manufacturer's part number: RJKB1