Rhino-Rack · New
Rhino-Rack 19-20 Ram 1500 Crew Cab 5th Gen 2 Base Backbone Mounting System
MPN RR5B1 · Store SKU rhrRR5B1
Supplier stock checked 11/7/2026, 3:53:26 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
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. Rhino-Rack Backbone Mounting System; Rhino-Rack Backbone Mounting System
Manufacturer fitment & guides
Check RR5B1 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y