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GMax · AT-21S

高马克斯 AT-21S 高亮黄色

DOT, ECE 22.06

高马克斯 AT-21S 高亮黄色
高马克斯 AT-21S 高亮黄色
高马克斯 AT-21S 高亮黄色

Design Story & Interactive HUD

GMax (United States)
"Built for Speed"

The Narrative

GMax AT-21S 专为追求公路与越野性能兼备的全能骑手打造。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结构，在高速行驶时有效减少风阻，同时保持轻量化设计，降低长途骑行中的颈部疲劳。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。宽阔视野的光学级面罩提供卓越的周边视觉，确保您始终专注于前方路况。采用坚固的聚碳酸酯外壳，AT-21S 提供强劲的抗冲击保护，同时不牺牲舒适性。内部配备柔软的吸湿速干内衬，可完全拆卸并

Technical Analysis

GMax AT-21S 高亮黄色头盔采用聚碳酸酯外壳，具备耐用性和抗冲击性，确保优异的安全标准。其中间椭圆形头型设计与可调节贴合系统提升长途骑行的舒适性。头盔配备高效通风系统，包含多个进气和排气口，保持骑行者凉爽；高亮黄色外观提升道路能见度。

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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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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