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Alpinestars · SM5

阿尔卑斯之星 SM5

阿尔卑斯之星 SM5
阿尔卑斯之星 SM5
阿尔卑斯之星 SM5

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About the 阿尔卑斯之星 SM5

Alpinestars SM-5，专为追求无与伦比性能的骑手打造的越野摩托车工程巅峰之作。这款头盔采用简洁、前卫的外观设计，与其空气动力学效率相得益彰，减少阻力，助您专注于弯道顶点。采用高强度复合材料打造，提供卓越的冲击防护，同时保持轻质敏捷，满足赛车需求。先进的通风系统将凉爽空气直接引导至关键部位，在高温环境下消除疲劳。采用精确的中间椭圆形内衬配合可定制的束紧系统，SM-5为每位骑手带来量身定制的贴合体验。无论是在技术密集的森林小径还是高速赛道上，这款头盔都在安全、舒适与时尚之间达成完美平

Intermediate Oval SM5 Family Polymer 1 year warranty Dirt/MX

Technical Analysis

Alpinestars SM-5采用轻质复合材料外壳结构，并通过碳纤维插片增强刚性，在最大限度减轻重量的同时保持结构强度。其内部悬架系统配备先进的EPS衬垫，采用变密度区域设计，确保在越野摩托车环境中典型的多向冲击下实现最佳能量吸收。

Feature Highlights

MIPS impact protection system High-impact polymer shell Intermediate oval head shape Advanced ventilation system Emergency release cheek pads Multi-density EPS liner Removable and washable interior

Safety & Aero-Acoustics HUD

Awaiting SHARP Audit

SHARP impact test results pending.

ECE 22.05 None
Aero-Acoustics 98 dB

Moderate: Balanced road noise levels.

Ventilation Flow 7/10

Good Flow: Standard EPS exhaust ports.

Double D-Ring 🔊 Comms Ready

Visor Features

Pinlock Ready Optically Correct
Real-time price tracking active across international retailers. Good Buy

Where to buy

Best price $289.95 Amazon

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Amazon
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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

Your Head Circumference 57 cm
52cm 55cm 58cm 61cm 65cm
Select Head Shape Profile
Recommended Helmet Size
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

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.

Regional Legality Guidance

US

Status: Legal for Off-Road Use

Required: DOT

Certified for use in the United States; meets DOT FMVSS 218 standards.

EU

Status: Legal for Off-Road Use

Required: ECE 22.05

Compliant with ECE 22.05 regulations for use in European markets.

CA

Status: Legal for Off-Road Use

Required: DOT

Accepted for use in Canada under DOT standards.

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Check Price — $289.95

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