Alpinestars · SM5
Alpinestars SM5 Racer TC-2
Design Concept & Background
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Alpinestars SM5 Racer TC-2 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
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Amazon (US)
Store Profile
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$339.95 | ● In Stock | 1 second ago | Buy Now → |
Certified Alpinestars Stores in US
Price History
Product Concept & Specifications
Alpinestars (Italy)Engineering & Technical Analysis
Die SM5 Racer TC-2 nutzt Alpinestars' proprietäre MIPS-Technologie in Kombination mit einem mehrschichtigen EPS-Innenfutter, um den Rotationsaufprallschutz zu verbessern und gleichzeitig einen tiefen Schwerpunkt zu gewährleisten. Das aerodynamische Schalen-Design mit optimierten Lufteinlässen und -auslässen sorgt für eine Balance zwischen hochgeschwindigkeitsluftstrom zur Kühlung und minimaler Windturbulenz bei hohen Geschwindigkeiten.
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 Racer TC-2 is a motocross/dirt bike helmet designed for off-road racing. It features a carbon fiber composite shell with an EPS liner and a removable chin bar (TC-2). The fit is generally aggressive and low-profile, suitable for riders with standard to slightly narrow head shapes who prefer a tight, secure fit typical of MX helmets.
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.
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