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GMax · AT-21S

GMax AT-21S Hi-Viz Gelb

DOT ECE 22.06
GMax AT-21S Hi-Viz Gelb
GMax AT-21S Hi-Viz Gelb
GMax AT-21S Hi-Viz Gelb

Design Concept & Background

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GMax AT-21S Hi-Viz Gelb is a high-performance motorcycle helmet engineered by GMax to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.

Key Highlights:

Polycarbonate shell Advanced channeling ventilation Adjustable cheek pads Removable and washable liner Wide eye port for superior peripheral vision

Rider Profile & Intended Use

Riding Style Dual Sport
Internal Fit Shape Intermediate Oval
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Where to buy

Best price $149.95 Amazon (US)
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Price History

Product Concept & Specifications

GMax (United States)

Engineering & Technical Analysis

Der GMax AT-21S Hi-Viz Gelb verfügt über ein Polycarbonat-Schalensystem für Langlebigkeit und Stoßfestigkeit und erfüllt damit hohe Sicherheitsstandards. Seine ovale Kopfform und das verstellbare Passformsystem sorgen für optimalen Komfort auf langen Fahrten. Das Helmmodell bietet eine effiziente Belüftung mit mehreren Ein- und Auslassöffnungen, um den Fahrer kühl zu halten, während die hochsichtbare gelbe Farbe die Sichtbarkeit im Straßenverkehr erhöht.

Fit & Shell Structure

Intermediate Oval Shape

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

[MATR.SHEL] Shell Construction Polycarbonate Outer structural material
[PHYS.MASS] Measured Weight 1650g (3.64) Approximate medium size weight
[COVG.YEAR] Warranty 1 Manufacturer coverage duration
[OPER.ROLE] Primary Use Case Dual Sport Optimized riding orientation

Safety & Certifications

[SYS.CERT] Homologation DOT Certified safety standard
[SYS.PROT] Rotational Protection None Mitigates rotational impact
[SYS.EQRS] Emergency Release Not Equipped Cheek pad quick removal
[SYS.LOCK] Retention Strap Double D-Ring Chin strap buckle style

Acoustics & Aerodynamics

92 dB
Acoustics
7 /10
Ventilation

Quiet Index: Superior sound damping and isolated ear cavity structures. Good flow balance utilizing EPS exhaust ports.

[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 Generic Speaker Cutouts 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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