Rhino-Rack JC-03686 Pioneer 6 Platform with RX300L Legs
Rhino-Rack JC-03686 is a complete roof rack platform system based on the Pioneer 6 Platform 71" x 56", paired with the Rhino-Rack Backbone mounting system and RX300L low legs. This kit is built for users who need a strong, modular and vehicle-specific roof platform for touring, work and off-road travel.
The system combines the latest Pioneer 6 design with the structural support of the Backbone system and the low-profile fitment of RX300L legs. It is a practical solution for carrying gear, mounting accessories and building a more capable overland setup without compromising day-to-day usability.
Key features
- Brand: Rhino-Rack
- Model: Pioneer 6 Platform (71" x 56") Unassembled with RX300L legs
- Part number: JC-03686
- Complete platform-based roof rack system
- Includes Pioneer 6 platform, Backbone mounting system and RX300L low legs
- Platform supplied in unassembled form
- 5-plank platform construction
- Up to 60% less drag than the previous generation
- Up to 20% lower weight
- Up to 25% more usable mounting channels
- Additional East/West mounting channels for more accessory options
- Integrated wiring capability within the platform extrusions
- Scuff-resistant coating and detachable wind fairing inserts
- Backbone system designed to support heavier roof loads
Compatibility
This system is designed around the Rhino-Rack Backbone for the Jeep JL Wrangler hard top. Final compatibility depends on vehicle configuration and the intended mounting setup.
What’s included
- 1 x Pioneer 6 Platform (71" x 56") Unassembled – 62108F
- 1 x Rhino-Rack Backbone Mounting System – RJLB1
- 1 x RX300 Low Leg (2PCS) – RX300L-2
- 1 x RX300 Low Leg (4PCS) – RX300L-4
Why choose this system
This Rhino-Rack roof platform is a strong option for users who want more than a basic crossbar setup. The large platform area gives you more usable space for cargo and accessories, while the updated Pioneer 6 design improves aerodynamics, reduces weight and increases mounting flexibility. For touring vehicles and off-road builds, the Backbone-supported structure adds confidence when carrying extra equipment.
Technical data
| Brand | Rhino-Rack |
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| Product name | Pioneer 6 Platform (71" x 56") Unassembled with RX300L legs |
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| Part number | JC-03686 |
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| Platform included | 62108F |
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| Mounting system included | RJLB1 Backbone |
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| Leg profile | RX300 |
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| Included leg sets | RX300L-2 and RX300L-4 |
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| Platform dimensions | Height 2", Length 71", Width 56" |
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| Platform construction | 5 planks |
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| Platform weight | 52.7 lb |
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| Backbone weight | 25.1 lb |
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| Backbone load note | Up to 120 kg / 264 lb, depending on configuration |
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| Country of origin | China |
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Security policy
Delivery policy
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