Leatt · Velocity 4.0
Leatt Velocity 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.
Open face design with extended neck coverage for added protection; compatible with various visor sizes.
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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Dominate the streets and trails with the Leatt Velocity 4.0, an open-face helmet engineered for those who demand uncompromising style and safety. This lightweight masterpiece combines a sleek, aerodynamic profile with premium ventilation channels that keep you cool during high-speed descents or intense urban commuting. Crafted from durable composite materials, it offers exceptional impact protection without the bulk of a full-face unit, ensuring maximum visibility and peripheral awareness. The interior is lined with moisture-wicking technology for all-day comfort, while the adjustable retention system guarantees a secure, custom fit every time you twist the throttle. Whether you are carving through city traffic or exploring rugged backroads, the Velocity 4.0 delivers confidence-inspiring performance that looks as good as it feels.
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
Leatt (New Zealand)Engineering & Technical Analysis
The Leatt Velocity 4.0 utilizes an advanced EPS liner with variable density zones to optimize impact energy absorption across the skull. Its open-face architecture features a streamlined shell design that minimizes frontal drag while maintaining structural rigidity through a composite fiberglass construction.
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
Open face design with extended neck coverage for added protection; compatible with various visor sizes.
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 / | — |
LEA-VEL4-BLK | instock |
| White / | — |
LEA-VEL4-WHT | instock |
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.