Alpinestars · SM5
Alpinestars SM5
Design Concept & Background
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Alpinestars SM5 is a high-performance motorcycle helmet engineered by Alpinestars to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.
Key Highlights:
Rider Profile & Intended Use
Where to buy
| Marketplace | Price | Availability | Updated | |
|---|---|---|---|---|
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Amazon (US)
Store Profile
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$289.95 | ● In Stock | 1 second ago | Buy Now → |
Certified Alpinestars Stores in US
Price History
Product Concept & Specifications
Alpinestars (Italy)Engineering & Technical Analysis
Die Alpinestars SM-5 verwendet eine leichte composite-Shell-Konstruktion, die mit Kohlenstofffasern verstärkt ist, um Rigidity zu maximieren und Gewicht zu minimieren. Ihr internes Federungssystem verfügt über einen fortschrittlichen EPS-Linern mit variablen Dichtezonen, die eine optimale Energieaufnahme bei verschiedenen Einwirkungswinkeln, typisch für Motocross-Umgebungen, gewährleisten.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Moderate Index: Standard wind noise suppression at highway speeds. Good flow balance utilizing EPS exhaust ports.
Technology & Convenience
Regional Legality & Compliance
Certified for use in the United States; meets DOT FMVSS 218 standards.
Compliant with ECE 22.05 regulations for use in European markets.
Accepted for use in Canada under DOT standards.
Regional Legality Guidance
Interactive Size & Fit Finder
Alpinestars SM5 is a motocross/dirt helmet designed for off-road use; it does not feature integrated speakers, HUD compatibility, or specific road-legal homologation standards like ECE 22.06.
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.
Part numbers
| Product style | MFR. product # | SKU | Availability |
|---|---|---|---|
| Matte Black / | — |
ALP-SM5-BLK | instock |
| Pearl White / | — |
ALP-SM5-WHI | instock |
| Racer TC-2 / | — |
ALP-SM5-RAC | instock |
| Course Blue / | — |
ALP-SM5-COU | instock |
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