Alpinestars · S-M10 · S-M10
Alpinestars S-M10 Urban TC-3
Quick 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.
The Alpinestars S-M10 Urban TC-3 is a motocross/dirt bike helmet designed for off-road use. It features an open-face design typical of MX helmets, which generally does not accommodate full-face specific technologies like MIPS (rotational mitigation), HUD mounts, or deep speaker pockets found on street/full-face models. The fit is typically aggressive and narrow to suit MX riding positions, optimized for Intermediate Oval head shapes.
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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Alpinestars S-M10 Urban TC-3 is a high-performance Dirt/MX 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)
USD 648.95 View Deal →
Price History & Trends
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Product Concept & Specifications
Alpinestars (Italy)Engineering & Technical Analysis
Multi-density EPS air channels direct airflow across the crown. Double-lipped shield gaskets maintain cabin sound levels around 98 dB at 100 km/h.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Regional Legality & Compliance
Certified for street use in the United States.
Certified for street use in Canada.
Certified for track/racing use in the European Union.
Regional Legality Guidance
Certification Documents & References
Interactive Size & Fit Finder
The Alpinestars S-M10 Urban TC-3 is a motocross/dirt bike helmet designed for off-road use. It features an open-face design typical of MX helmets, which generally does not accommodate full-face specific technologies like MIPS (rotational mitigation), HUD mounts, or deep speaker pockets found on street/full-face models. The fit is typically aggressive and narrow to suit MX riding positions, optimized for Intermediate Oval head shapes.
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.
Available Colors & Graphics
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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.