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The Rhino-Rack Backbone mounting system for 2018–2020 Jeep Wrangler JL 4-door is an internal roof support assembly with three plates on each side that extend the roof line to carry heavier loads. Rated for up to 120 kg (264 lb), the system creates a reinforced platform for fitting a Rhino-Rack Pioneer system and is backed by a seven-year warranty for long-term reliability.
Rhino-Rack 18-20 Jeep Wrangler JL 4 Door 3 Base Backbone Mounting System
