The Rhino-Rack Backbone mounting system for 2016–2019 Isuzu D-Max Crew Cab is also compatible with Holden Colorado models, attaching to the roof via two bases per side. It provides an interior reinforced mounting platform designed to accept a Rhino-Rack Pioneer system on top, giving a stable foundation for rooftop cargo and modular rack components.
Rhino-Rack 16-19 Isuzu D-Max Crew Cab 2 Base Backbone Mounting System