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The Rhino-Rack Backbone 3-base mounting system is made for Toyota 4Runner models, attaching via three bases per side to provide a stable foundation for a Pioneer platform. It includes mounting plates, internal support frames and the required fitting hardware for installation, enabling a two-bar roof rack or Pioneer platform to be fitted on top. The backbone system streamlines mounting and provides structural support for roof cargo and modular accessories.
Rhino-Rack 10-20 Toyota 4Runner 3 Base Backbone Mounting System
