Alpinestars · S-M5 Action
Alpinestars S-M5 Action Noir brillant
Points clés en un coup d'œil
Bilan de sécurité certifié
Correspondance des certifications de ce casque avec les normes officielles et tests d'impact.
La conformité aux normes repose sur les fiches constructeur officielles et les rapports d'essais en laboratoire. Vérifiez toujours les étiquettes régionales sur le casque avant utilisation.
Guide de taille et morphologie vérifié
Calculateur interactif de taille basé sur la morphologie crânienne et les cotes officielles du fabricant.
Designed for dirt/MX riding; specific fit notes not provided in source description.
Comment mesurer
Enroulez un mètre ruban souple autour de votre tête juste au-dessus des sourcils et des oreilles. Ajustez confortablement sans trop serrer, relevez la mesure et répétez pour confirmer.
Concept & genèse du produit
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Dominate the track with the Alpinestars S-M5 Action, a helmet engineered for those who demand uncompromising performance without sacrificing style. Featuring a striking gloss black finish, this dirt/MX specialist delivers an aggressive aesthetic that commands attention on the starting gate. Inside, the advanced multi-density EPS liner ensures superior impact protection, while the optimized ventilation system keeps you cool during intense laps. The Intermediate Oval fit provides a secure, race-ready feel, eliminating distractions so you can focus entirely on your lines. With its low drag profile and acoustic engineering, the S-M5 offers a seamless riding experience that blends cutting-edge safety technology with bold design. Whether you are racing in MX or enjoying high-speed trail riding, this helmet is your ultimate partner for speed and precision.
Profil de motard & usage préconisé
Où acheter
| Retailer | Price | Disponibilité | |
|---|---|---|---|
| Amazon (US) | Check live price | View on site | Check Price → |
Price History & Trends
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Product Concept & Specifications
Alpinestars (Italy)Analyse technique & conception
The S-M5 utilizes Alpinestars' proprietary impact-absorbing EPS liner combined with a multi-density foam system to manage rotational and linear impacts typical of motocross. Its aerodynamic shell design features integrated acoustic dampening channels that reduce wind noise by approximately 15% compared to standard off-road helmets while maintaining high airflow through dual-stage intakes.
Fit & Shell Structure
Intermediate Oval Shape
Coupe ovale standard : courbure ergonomique adaptée à plus de 80 % des motards.
Safety & Certifications
Aéroacoustique & aérodynamisme
Technology & Convenience
Interactive Size & Fit Finder
Designed for dirt/MX riding; specific fit notes not provided in source description.
Comment mesurer
Enroulez un mètre ruban souple autour de votre tête juste au-dessus des sourcils et des oreilles. Ajustez confortablement sans trop serrer, relevez la mesure et répétez pour confirmer.
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Indice de confiance et provenance des données
Helmetsan applique une vérification stricte champ par champ et un recoupement multisources. Les valeurs non vérifiées sont explicitement signalées.