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Alpinestars

阿尔卑内斯塔斯 SM5 磨砂黑

DOT FMVSS 218 ECE 22.06

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Design Concept & Background

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阿尔卑内斯塔斯 SM5 磨砂黑 is a high-performance motorcycle helmet engineered by Alpinestars to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.

Rider Profile & Intended Use

Internal Fit Shape Intermediate Oval
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Where to buy

Price History

Product Concept & Specifications

Alpinestars (Italy)

Engineering & Technical Analysis

阿尔宾斯塔斯 SM5 代表了全盔工程的重大突破，采用先进的碳纤维复合材料外壳，在不牺牲结构完整性的前提下大幅减轻重量。内部 EPS 衬垫采用多密度区域设计，以优化碰撞时的能量吸收，严格符合最新的 ECE 22.06 安全标准（该标准对固定力的要求高于上一代产品）。通过风洞测试精心调校的空气动力学造型，采用流线型下巴护条和后扰流板一体化设计，在保持高速气流通过专用进气和排气口的同时，最大限度地减少阻力。

Fit & Shell Structure

Intermediate Oval Shape

Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.

[MATR.SHEL] Shell Construction Carbon Fiber Composite Shell with EPS Liner Outer structural material
[PHYS.MASS] Measured Weight 1420g (3.13) Approximate medium size weight
[COVG.YEAR] Warranty 2 Manufacturer coverage duration
[OPER.ROLE] Primary Use Case All-round Sport Optimized riding orientation

Safety & Certifications

[SYS.CERT] Homologation DOT FMVSS 218, ECE 22.06 Certified safety standard
[SYS.PROT] Rotational Protection Standard EPS Mitigates rotational impact
[SYS.EQRS] Emergency Release Not Equipped Cheek pad quick removal
[SYS.LOCK] Retention Strap Quick Release Buckle Chin strap buckle style

Acoustics & Aerodynamics

94 dB
Acoustics
8 /10
Ventilation

Quiet Index: Superior sound damping and isolated ear cavity structures. High flow channels optimize high-velocity dynamic ventilation.

[AERO.TEST] Wind Tunnel Tested No Optimized shell aerodynamics
[VISR.FOG] Pinlock Tech Not Included Anti-fog shield insertion

Technology & Convenience

[SYS.COMM] Comms Integration N/A Intercom cutout availability
[FIT.GLASS] Glasses Friendly No Inner lining eyewear grooves
[VISR.SYS] Visor Shield Tech Single Visor Integrated drop-down sun visor
[FIT.LINR] Removable Interior Partial / Fixed Washable lining modules

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