Nolan · N40-5
Nolan N40-5
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.
Designed for oval head shapes; offers a comfortable fit for most riders due to the open-face design.
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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Experience the perfect balance of urban agility and high-speed confidence with the Nolan N40-5. This premium open-face helmet redefines the classic visor style with modern aerodynamics, featuring a sleek, aggressive design that commands attention on any street. Engineered for the discerning rider who refuses to compromise on safety or comfort, it offers superior ventilation through strategically placed intake and exhaust ports, ensuring cool air circulation even during intense summer rides. The lightweight polycarbonate shell reduces neck strain, while the advanced EPS liner provides uncompromising protection against impact. Whether you are navigating city traffic or cruising the open highway, the N40-5 delivers an unparalleled blend of style, performance, and reliability.
Rider Profile & Intended Use
Where to buy
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Amazon (US)
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Price History & Trends
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Product Concept & Specifications
Nolan (Italy)Engineering & Technical Analysis
The N40-5 utilizes Nolan's proprietary EPS liner construction combined with a high-strength polycarbonate shell to meet ECE 22.06 safety standards while maintaining an open-face silhouette. Its aerodynamic profile is optimized through wind tunnel testing, reducing turbulent airflow around the chin bar and cheeks to minimize rider fatigue at highway speeds.
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
Designed for oval head shapes; offers a comfortable fit for most riders due to the open-face design.
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 |
|---|---|---|---|
| Black / | — |
NOL-N40-BLK | instock |
| Grey / | — |
NOL-N40-GRE | instock |
Available Colors & Graphics
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Compatible Accessories
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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.