Rhino-Rack · New
Rhino-Rack 15-18 Chevrolet Silverado HD Double Cab 2 Base Backbone Mounting System
MPN RS1B1 · Store SKU rhrRS1B1
Supplier stock checked 11/7/2026, 6:00:02 AM 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.Oversized / freight item — shipping is quoted separately. Free shipping does not apply. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The Rhino-Rack Backbone is a mounting system for your Chevrolet Silverado. Connecting to your vehicle's roof via 2 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 RS1B1 against the manufacturer’s application information below.
Part-specific notes
- Freight shipping required.
- California Proposition 65: Y