Ruroc · Atlas 4.0 Track · Atlas 4.0 Track
Atlas 4.0 Track Hi-Viz Yellow
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.
Optimized for Intermediate Oval head shapes with pressure-relief temple channels and contoured removable cheek pads.
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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Atlas 4.0 Track Hi-Viz Yellow is a high-performance Track/Race helmet engineered by Ruroc to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.
Rider Profile & Intended Use
Where to buy
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Amazon (US)
USD 648.95 View Deal →
Price History & Trends
ℹ️ Helmetsan is an independent motorcycle safety & decision engine. When you check prices or purchase via retailer links, Helmetsan may earn an affiliate commission at no additional cost to you.
Product Concept & Specifications
Ruroc (United Kingdom)Engineering & Technical Analysis
Multi-density EPS air channels direct airflow across the crown. Double-lipped shield gaskets maintain cabin sound levels around 96.5 dB at 100 km/h.
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
Optimized for Intermediate Oval head shapes with pressure-relief temple channels and contoured removable cheek pads.
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.
Available Colors & Graphics
View on retailers
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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.