Ruroc · Atlas 4.0
Ruroc Atlas 4.0
Quick Facts at a Glance
Verified Safety Snapshot
How this helmet’s verified certifications map to recognized safety homologations and crash testing.
Safety standards compliance is based on official manufacturer documentation and public safety laboratory test results. Always verify regional compliance labels on the physical helmet prior to use.
Verified Fit & Sizing Guide
Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.
How to measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.
Design Concept & Background
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Bold design with Shockwave Bluetooth audio system and magnetic chin vent.
Rider Profile & Intended Use
Where to buy
Price History & Trends
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Product Concept & Specifications
Ruroc (United Kingdom)Engineering & Technical Analysis
The Ruroc Atlas 4.0 features advanced safety tech with a fiberglass shell and impact-absorbing EPS foam, ensuring robust protection. Its intermediate oval head shape and adjustable padding enhance comfort for extended wear. The helmet includes a multi-stage ventilation system with adjustable intake and exhaust vents, optimizing airflow to reduce heat and fogging. Lightweight construction and a secure fit system further improve usability.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Interactive Size & Fit Finder
How to measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.
Part numbers
| Product style | MFR. product # | SKU | Availability |
|---|---|---|---|
| Matte Black / | — |
RUR-ATLA-BLK | instock |
| Hi-Viz Yellow / | — |
RUR-ATLA-YEL | instock |
| Street TC-2 / | — |
RUR-ATLA-STR | instock |
| Solid Grey / | — |
RUR-ATLA-SOL | instock |
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Atlas 4.0 Street TC-2
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Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.