Global Helmet Intelligence Platform

Nexx · X.404

Nexx X.404

ECE 22.05

Design Story & Interactive HUD

Nexx (Portugal)

The Narrative

重新定义你的城市通勤体验,Nexx X.404开放式头盔,将复古灵感与现代安全工程无缝融合。为追求风格又不愿在防护上妥协的骑手打造,这款头盔采用流畅的气动外壳,穿行风中更显轻盈,同时通过精准布局的通风口实现卓越的热调节。内衬选用高端速干材质,即使长途城市通勤或周末激情出行,全天候舒适无忧。轻质结构与坚固下巴护板的完美搭配,为你带来自由与安全的完美平衡。无论是穿梭于车流还是驰骋在开阔道路,X.404既是经典开放式传统的传承者,又符合当代安全标准的标杆之作。

Technical Analysis

Nexx X.404采用多密度EPS衬垫,专为吸收高冲击能量而设计,同时在开放式面罩配置中保持结构完整性。其外壳结构采用复合编织材料,在刚度与重量比上进行了优化,确保精准的头部跟踪且无多余体积。

Homologation ECE 22.06 Certified safety standard
Rotational Protection 1 Mitigates rotational impact
Emergency Release Not Equipped Cheek pad quick removal
Retention Strap Double D-Ring Chin strap buckle style
SHARP Safety Rating 5/5 Stars

Verified SHARP UK impact crash test scorecard.

Acoustics Quietness 84 dB

Extremely Quiet: Superior long-distance sound damping.

Ventilation Flow 6/10

Good Flow: Standard EPS exhaust ports.

Wind Tunnel Tested No Optimized shell aerodynamics
Pinlock Tech Not Included Anti-fog shield insertion
Comms Integration Generic Speaker Cutouts Intercom cutout availability
Glasses Friendly No Inner lining eyewear grooves
Visor Shield Tech Single Visor Integrated drop-down sun visor
Removable Interior Partial / Fixed Washable lining modules

Intermediate Oval Shape

Intermediate oval fit, the standard ergonomic profile suited for the majority of riders.

Shell Construction Composite Outer structural material
Measured Weight 1050g (2.31) Approximate medium size weight
Warranty 2 Manufacturer coverage duration
Primary Use Case All-round Sport Optimized riding orientation
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Where to buy

Marketplace Price Availability Updated
Amazon (US) Store Profile
$149.95 ● In Stock 1 second ago Buy Now →

Certified Nexx Stores in US

Price History

Part numbers

Product style MFR. product # SKU Availability
Black / NEX-X404-BLK instock
Silver / NEX-X404-SLV 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.

Designed for open-face fit; requires cheek pads adjustment for optimal comfort on extended rides.

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.

Compare & buy

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