Rhino-Rack Backbone Mounting System – RAM Crew Cab / Chevrolet Silverado / GMC Sierra

The Rhino-Rack Backbone is a mounting system for the Gen 5 RAM Crew Cab, Gen 4 Chevrolet Silverado Crew Cab & Gen 4 GMC Sierra 2019+ Crew Cab. Connecting to your vehicle’s roof via 2 mounting bases on each side, it allows for a Rhino-Rack Pioneer System to be fitted on top.