Alpinestars SM5 Racer TC-2
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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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Experience the pinnacle of track-focused protection with the Alpinestars SM5 Racer TC-2, a helmet crafted from aerospace-grade carbon fiber for uncompromised strength-to-weight ratios. Designed specifically for serious racers and enthusiasts who demand precision engineering, this full-face helmet offers an aerodynamic silhouette that slices through the air while maintaining superior acoustic comfort at high speeds.
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 Racer TC-2 utilizes a high-modulus carbon fiber composite shell architecture designed to maximize impact absorption while minimizing overall mass. This construction method allows for strategic reinforcement in high-stress zones without adding unnecessary weight, resulting in a chassis that is both rigid and responsive. The internal structure features a multi-density EPS liner engineered to dissipate kinetic energy efficiently during frontal and side-impact scenarios, adhering strictly to the latest ECE 22.06 safety standards.
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.