MT Helmets · Thunder 4 SV · MT Helmets Thunder 4 SV
MT Helmets Thunder 4 SV Gloss White
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 to intermediate head shapes; features a multi-position dial and extended retention system for secure fit.
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 road with the MT Helmets Thunder 4 SV in striking Gloss White, where aggressive styling meets uncompromising safety engineering. This full-face masterpiece is designed for riders who demand a helmet that looks as formidable as it performs. Featuring an advanced aerodynamic profile, the Thunder 4 SV slices through the wind to minimize drag and noise, ensuring you stay focused on the journey ahead. The interior boasts a plush, moisture-wicking liner that keeps you cool and comfortable, even during the longest rides. With superior ventilation channels and a secure fitment system, this helmet offers the perfect balance of protection and style. Whether you are carving through city streets or cruising open highways, the Thunder 4 SV is your ultimate companion for an exhilarating riding experience.
Rider Profile & Intended Use
Where to buy
Price History & Trends
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Product Concept & Specifications
MT Helmets (Spain)Engineering & Technical Analysis
The Thunder 4 SV utilizes MT's proprietary multi-density EPS liner architecture to optimize impact absorption while maintaining a lightweight shell constructed from high-grade ABS composite. Its aerodynamic profiling features integrated air ducts that channel airflow efficiently, reducing turbulence and enhancing rider comfort during high-speed maneuvers.
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 to intermediate head shapes; features a multi-position dial and extended retention system for secure fit.
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
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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.