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GMax · AT-21S

GMax AT-21S 亮黑色

DOT, ECE 22.06

GMax AT-21S 亮黑色
GMax AT-21S 亮黑色
GMax AT-21S 亮黑色

Design Story & Interactive HUD

GMax (United States)
"Built for Speed"

The Narrative

GMax AT-21S专为追求公路与越野双重性能的全能骑手打造。该头盔融合流畅现代的外观设计与先进的空气动力学外壳造型，在高速行驶时有效减少风阻，同时保持轻量化设计，降低长途骑行时的颈部疲劳。其先进的导流通风系统经过精心设计，优化气流，有效调节内部温度，并在不同气候条件下防止面罩起雾。采用光学级矫正的宽视野面罩，提供卓越的周边视觉，确保您专注于前方路况。坚固的聚碳酸酯外壳为AT-21S提供可靠的冲击防护，同时不牺牲舒适性。内衬采用柔软的速干材质，可完全拆卸并水洗，配

Technical Analysis

GMax AT-21S采用聚碳酸酯外壳，轻质耐用，采用中间椭圆形设计，佩戴更贴合、舒适。该头盔专为探险设计，配备可调通风系统以控制气流，双运动结构在越野保护与公路实用性之间取得平衡。头盔集成多项安全技术，如加强冲击吸收能力以及速干内衬，为长途骑行提供舒适体验。

Feature Highlights

Polycarbonate shell Advanced channeling ventilation Adjustable cheek pads Removable and washable liner Wide eye port for superior peripheral vision
Homologation DOT Certified safety standard
Rotational Protection None Mitigates rotational impact
Emergency Release Not Equipped Cheek pad quick removal
Retention Strap Double D-Ring Chin strap buckle style
Acoustics Quietness 92 dB

Extremely Quiet: Superior long-distance sound damping.

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 Polycarbonate Outer structural material
Measured Weight 1650g (3.64) Approximate medium size weight
Warranty 1 Manufacturer coverage duration
Primary Use Case Dual Sport Optimized riding orientation
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Where to buy

Best price $149.95 Amazon (US)
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Amazon (US) Store Profile
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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.

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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Check Price — $149.95

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