Alpinestars · SM5
Alpinestars SM5
DOT, ECE 22.05
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About the Alpinestars SM5
Dirt/MXDominate the track and trail with the Alpinestars SM-5, a pinnacle of motocross engineering designed for riders who demand uncompromising performance. This helmet features a sleek, aggressive aesthetic that mirrors its aerodynamic efficiency, reducing drag to keep you focused on the apex. Constructed from high-strength composite materials, it offers superior impact protection without sacrificing the lightweight agility essential for racing. The advanced ventilation system channels cool air directly to critical zones, eliminating fatigue during intense heat sessions. With a precise Intermediate Oval fit and customizable retention systems, the SM-5 delivers a custom-like feel for every rider. Whether you are tackling technical forest trails or high-speed circuit laps, this helmet provides the ultimate balance of safety, comfort, and style.
Technical Analysis
The Alpinestars SM-5 utilizes a lightweight composite shell construction reinforced with carbon fiber inserts to maximize rigidity while minimizing weight. Its internal suspension system features an advanced EPS liner with variable density zones, ensuring optimal energy absorption across diverse impact vectors typical of motocross environments.
Feature Highlights
Safety & Aero-Acoustics HUD
SHARP impact test results pending.
Moderate: Balanced road noise levels.
Good Flow: Standard EPS exhaust ports.
Where to buy
All online retailers
Price History
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 |
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.
Available Colors & Graphics
Regional Legality Guidance
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