Alpinestars SM5 Matte Black
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Add to compareQuick Facts at a Glance
Verified Safety Snapshot
How this helmet’s verified certifications map to recognized safety homologations and crash testing.
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.
Verified Fit & Sizing Guide
Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.
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
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Dominate the track with the Alpinestars SM5 Matte Black, a helmet designed for riders who demand uncompromising performance and style. Its sleek, aggressive aesthetic is matched by cutting-edge technology that keeps you cool, quiet, and protected at high speeds. Whether you are cornering hard on a twisty mountain pass or pushing limits on the circuit, the SM5 delivers the confidence you need to perform at your absolute best.
Rider Profile & Intended Use
Where to buy
Price History & Trends
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Product Concept & Specifications
Alpinestars (Italy)Engineering & Technical Analysis
The Alpinestars SM5 represents a significant evolution in full-face helmet engineering, utilizing an advanced carbon fiber composite shell that drastically reduces weight without compromising structural integrity. The internal EPS liner is engineered with multi-density zones to optimize energy absorption during impact, adhering strictly to the latest ECE 22.06 safety standards which mandate higher retention force requirements than previous generations. Aerodynamic profiling has been meticulously tuned through wind tunnel testing, featuring a streamlined chin bar and rear spoiler integration that minimizes drag while maintaining high-velocity airflow through dedicated intake and exhaust ports.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Interactive Size & Fit Finder
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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Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.