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LS2 · Thunder

LS2 Thunder Rouge

SPÉCIFICATION TECHNIQUE VÉRIFIÉE Full Face ECE 22.05, DOT Polycarbonate 1580g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Intégral
Certifications ECE 22.05, DOT
Measured Weight 1580 g
Shell Material Polycarbonate
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 ✓ DOT, ECE 22.05
Rotational Protection Yes (Rotational Mitigation)
SHARP Impact Score 4/5 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; slightly roomy fit compared to modular counterparts.

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

"L'homme, la sécurité, le sport"

Domina la carretera abierta con el LS2 Thunder Red, un casco integral donde el estilo agresivo se une a una seguridad sin concesiones. Fabricado con una carcasa aerodinámica y elegante, este casco corta el viento para minimizar la resistencia, mientras que su sistema de ventilación integrado garantiza que te mantengas fresco incluso en los trayectos más largos. El vibrante acabado en rojo se complementa con gráficos de alta calidad que proyectan confianza y velocidad. En su interior, el forro de EPS de densidad múltiple ofrece una protección superior sin sacrificar la comodidad, ajustándose de forma segura a los motociclistas con una forma de cabeza ovalada intermedia. Ya sea que estés recorriendo las calles de la ciudad o circulando por la autopista, el Thunder Red proporciona el equilibrio perfecto entre estética moderna e ingeniería avanzada. Experimenta la emoción de conducir con un casco diseñado para mantenerte seguro, cómodo y con un aspecto imparable.

Rider Profile & Intended Use

Helmet Category Intégral
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

Où acheter

Revendeur Prix Availability
Amazon (US) Voir le prix en temps réel Voir sur le site Voir le prix →

Historique et tendances des prix

ℹ️ Helmetsan est un moteur indépendant de sécurité et d’aide à la décision pour les motos. Lorsque vous consultez des prix ou achetez via des liens de revendeurs, Helmetsan peut percevoir une commission d’affiliation, sans frais supplémentaires pour vous.

Product Concept & Specifications

LS2 (Spain)

Engineering & Biomechanical Safety Analysis

El LS2 Thunder Red utiliza un forro de EPS de densidad múltiple diseñado para cumplir con las normas ECE 22.06, optimizando al mismo tiempo las zonas de absorción de impactos. El diseño de su carcasa aerodinámica cuenta con canales de aire integrados que dirigen el flujo de aire directamente hacia la cara y el cuello del conductor, reduciendo significativamente la acumulación de calor durante los desplazamientos a alta velocidad.

The LS2 Thunder Rouge is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from Polycarbonate. 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 22.05, DOT 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.

Construction de la coque Polycarbonate Matériau structurel extérieur
Measured Weight 1580 g (3.48) Poids approximatif en taille moyenne
Warranty 2 Years Durée de la couverture du fabricant
Cas d’utilisation principal Not specified Orientation de conduite optimisée

Safety & Certifications

Certification DOT, ECE 22.05 Norme de sécurité certifiée
Rotational Protection Yes (Rotational Mitigation) Atténue l'impact rotationnel
Déverrouillage d’urgence Not specified Retrait rapide des mousses de joues
Sangle de rétention Double D-Ring Type de boucle de jugulaire
Évaluation d’impact SHARP 4/5 Score vérifié au test d’impact SHARP UK

Acoustics & Aerodynamics

Niveau sonore 87 dB Bruit du vent mesuré à vitesse élevée
Ventilation 7/10 Évaluation des performances de ventilation
Testé en soufflerie Not specified Aérodynamisme optimisé de la calotte
Pinlock antibuée Non inclus Insert antibuée pour visière

Technology & Convenience

Intégration des communications Generic Speaker Cutouts Disponibilité d’une découpe pour intercom
Compatible avec les lunettes Not specified Rainures pour lunettes dans la doublure intérieure
Système de visière Not verified Écran solaire intégré escamotable
Intérieur amovible Not verified Modules de doublure lavables

Certification Documents & References

  • ECE 22.06 (EU) - Economic Commission for Europe - Reference
  • DOT FMVSS 218 (US) - US Department of Transportation - Reference
  • SNELL M 2015 (Global) - Snell Memorial Foundation - Reference

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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
LS2 Official Specification
Safety Testing Agency
ECE 22.05, DOT Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-17