Aerodynamic Aluminum Open Roof Rail Crossbars with Universal Telescopic Feet (Model: RB004)
The RB004 is a commercial-grade, heavy-duty aluminum roof rack crossbar system engineered for universal open roof rails. This preassembled platform combines aerodynamic performance, high load capacity, and anti-theft security to satisfy the strict logistics demands of global automotive sourcing networks and fleet distributors.
- Certified 90kg Payload:Structurally reinforced heavy-duty framework to ensure absolute safety for rooftop tents, heavy cargo boxes, and sporting gear.
- Universal Telescopic Fit:Features an innovative built-in telescoping leg mechanism that dynamically adapts to fit varied open roof rails (35mm–60mm).
- Integrated Anti-Theft Lock:Every crossbar foot incorporates a heavy-duty, key-accessed locking core guaranteeing absolute asset protection.
- Standard 13x13mm T-Slot:Designed with an upper aerodynamic tracking channel that enables seamless integration of universal international carriers and transport hardware.
- Instant Out-of-the-Box Deployment:Arrives fully preassembled to eliminate tedious field labor costs and accelerate deployment readiness.
Key Engineering Advantages & Commercial Assets
1. Certified ISO Heavy Load Performance with Out-of-the-Box Readiness

Formulated for high-volume commercial distribution, the RB004 upgrades standard consumer rack choices via an industrial-grade structural aluminum core styled into a low-drag profile. Rigorously tested according to the international automotive road equipment standards of ISO PAS 11154:2006, global sourcing managers can import this transport hardware with total peace of mind. By arriving completely preassembled and ready to use immediately out of the box, it completely slashes wholesale assembly costs and accelerates time-to-market.
2.Aerodynamic Longitudinal Mount Fitting with Zero Lateral Flexing

Eradicating common wind resistance and loose-tolerance problems, our proprietary aerodynamic profile allows end-users a highly silent travel experience on high-speed highways. As demonstrated in the real-world automotive application above, the crossbars anchor firmly to the vehicle’s structural roof layout without warping under high load tension. This pristine vehicle rear-to-front fitment ensures optimal fuel efficiency while keeping heavy commercial rooftop cargo safely balanced on the vehicle chassis.
Technical Specifications Matrix
| Industrial Metric | Technical Specification Parameters – RB004 |
| Product Designation | RB004 Heavy-Duty Series |
| Carrier Configuration Style | Universal Open Roof Rail Crossbars |
| Vehicle Rail Interface | Engineered for Open Longitudinal Mounts |
| Maximum Payload Rating | 90 kg (Heavy Duty Structural Load Support) |
| T-Slot System Tracking Size | Aerodynamic 13 mm * 13 mm Tracking Channel |
| Material Build Architecture | Premium High-Tensile Structural Aluminum |
| Available Length Profiles | Dual Options: 1200 mm / 1350 mm |
| Security Hardware | Integrated Casing Foot Protected against Theft by Dedicated Keys |
| Testing Standards Audited | Rigorously Verified According to ISO PAS 11154:2006 Regulations |
MAECENAS IACULIS
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ADIPISCING CONVALLIS BULUM
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