Global Helmet Intelligence Platform

Nexx · X.404

Nexx X.404 黑色

ECE 22.05

Design Story & Interactive HUD

Nexx (Portugal)

The Narrative

内克斯 X.404 黑色哑光——体验都会风格与安全的完美融合。这款开放式头盔专为追求卓越存在感且不牺牲防护性的骑手打造。哑光质感彰显品味,集成下巴护帘与镜片系统有效减少风阻,确保清晰交流并降低长途通勤的疲劳感。采用中间椭圆形内衬设计,紧密贴合头部,高速行驶时稳定性卓越。无论穿梭于城市车流还是纵情驰骋于开阔公路,X.404 通过精准进气口设计提供出色通风,在夏季酷暑中为您保持凉爽。选择这款头盔,让现代美学与成熟安全标准为您的骑行体验加分。

Technical Analysis

Nexx X.404采用多密度EPS衬垫,能够吸收高冲击能量,同时保持轻质外形,这对于开放式头盔的动态性能至关重要。其气动外壳集成了风力偏导器,引导气流通过骑手面部,显著降低湍流和噪音,优于标准开放式头盔设计。

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 98 dB

Moderate: Balanced road noise levels.

Ventilation Flow 7/10

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

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; compatible with modular chin bars (sold separately); best suited for riders preferring a lighter profile.

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.

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