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MT Helmets · Thunder 4 SV

MT Helmets Thunder 4 SV Negro brillante

ESPECIFICACIÓN TÉCNICA VERIFICADA Full Face ECE 22.06 HPFC Composite 1450g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Integral
Certifications ECE 22.06
Measured Weight 1450 g
Shell Material HPFC Composite
Head Shape Fit Intermediate Oval
Retention System Double D-Ring
SAFETY & CERTIFICATIONS

Verified Safety Snapshot

How this helmet’s verified certifications map to recognized safety homologations and crash testing.

Certified Homologation ✓ ECE 22.06
Rotational Protection Yes (Rotational Mitigation)
SHARP Impact Score 5/5 Stars (SHARP UK)
Retention Mechanism Double D-Ring
Emergency Release System Not specified

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.

FIT & SIZING

Verified Fit & Sizing Guide

Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.

Your Head Circumference 57 cm
52cm 55cm 58cm 61cm 65cm
Select Head Shape Profile
Recommended Helmet Size
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

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

"Born for Speed"

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

Riding Style Turismo
Helmet Category Integral
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

Dónde comprar

Vendedor Precio Availability
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Historial de precios y tendencias

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Product Concept & Specifications

MT Helmets (Spain)

Engineering & Biomechanical Safety 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.

The MT Helmets Thunder 4 SV Negro brillante is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from HPFC Composite. This structural layup is engineered to provide progressive kinetic energy dissipation during impact deceleration, distributing localized shock across outer lamina layers while minimizing deformation transfer into the internal multi-density EPS liner.

Certified to ECE 22.06 protocols, the architecture is subjected to rigorous linear deceleration limits and oblique impact evaluations to mitigate rotational acceleration forces associated with diffuse axonal injury. For a deeper breakdown of rotational thresholds and impact testing speeds, consult our ECE 22.06 vs DOT vs SNELL engineering benchmark.

Internal geometry follows a Intermediate Oval cranial profile, designed to mitigate focal pressure hot spots across the parietal ridges while maintaining uniform radial clamping pressure along the zygomatic arch. Riders seeking optimal retention stability and break-in guidance should review the cranial aspect ratios and head shape guide as well as our 3D cheek pad density protocol.

Shell composite integrity and acoustic sealing are further optimized through channelized EPS porting and aerodynamic laminar profiling. To learn how shell composites resist stress cracking under prolonged environmental cycling, inspect the composite material comparative matrix.

Fit & Shell Structure

Intermediate Oval Shape

Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.

Construcción de la calota HPFC Composite Material estructural exterior
Measured Weight 1450 g (3.2) Peso aproximado en talla mediana
Warranty 2 Years Duración de la cobertura del fabricante
Uso principal Turismo Orientación de conducción optimizada

Safety & Certifications

Certificación ECE 22.06 Estándar de seguridad certificado
Rotational Protection Yes (Rotational Mitigation) Atenúa el impacto rotacional
Liberación de emergencia Not specified Extracción rápida de las almohadillas de mejilla
Correa de retención Double D-Ring Tipo de hebilla de la correa de la barbilla
Clasificación de impacto SHARP 5/5 Puntuación verificada de la prueba de impacto SHARP UK

Acoustics & Aerodynamics

Nivel de ruido 82 dB Ruido del viento medido a velocidad
Ventilación 7/10 Valoración del rendimiento del flujo de aire
Probado en túnel de viento Not specified Aerodinámica optimizada de la calota
Pinlock antivaho No incluido Inserto antivaho para visor

Technology & Convenience

Integración de comunicaciones Generic Speaker Cutouts Disponibilidad de abertura para intercomunicador
Apto para gafas Not specified Ranuras para gafas en el forro interior
Sistema de pantalla Not verified Visor solar integrado abatible
Interior extraíble Not verified Módulos de forro lavables

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VEHICLE SYNERGY & ERGONOMICS

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RS 457 Supersport (Urban Carbon)

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RS 660 Extrema Carbon (Performance Edition)

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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.

Manufacturer Source
MT Helmets Official Specification
Safety Testing Agency
ECE 22.06 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-21