MT Helmets · Thunder 4 SV · MT Helmets Thunder 4 SV
MT Helmets Thunder 4 SV Gloss Black
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 adjustable cheek pads for a 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, a full-face masterpiece where aggressive styling meets uncompromising safety. Finished in a striking Gloss Black, this helmet commands attention with its sharp lines and premium aesthetic that perfectly complements any modern sportbike or naked machine. Engineered for the discerning rider who refuses to sacrifice performance for style, the Thunder 4 SV delivers an exceptional fitment profile designed for intermediate oval heads, ensuring maximum comfort on long-distance rides. The advanced ventilation system keeps you cool during high-speed runs, while the integrated Pinlock-ready visor guarantees crystal-clear vision in any weather condition. With its lightweight construction and superior noise reduction capabilities, you will experience a seamless connection between you and the road, making every journey an exhilarating adventure.
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 a multi-density EPS liner system engineered to provide progressive energy absorption while maintaining structural rigidity at the chin bar. Its aerodynamic shell features optimized vortex generators that reduce wind turbulence and noise, allowing for higher ventilation efficiency without compromising high-speed stability.
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 adjustable cheek pads for a 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
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.