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GMax · OF-77

GMax OF-77

DOT ECE 22.06
GMax OF-77
GMax OF-77
GMax OF-77

Design Concept & Background

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GMax OF-77 is a high-performance Open Face helmet engineered by GMax to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.

Key Highlights:

Polycarbonate shell 3D Max-Dry system wicks moisture 3x faster Intermediate oval fit Removable and washable liner DOT certified

Rider Profile & Intended Use

Riding Style Cruising
Helmet Category Open Face
Internal Fit Shape Intermediate Oval
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Where to buy

Best price $109.95 Amazon (US)
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Price History

Product Concept & Specifications

GMax (United States)

Engineering & Technical Analysis

The GMax OF-77 features a polycarbonate shell for lightweight durability and basic impact protection. Its open-face design prioritizes comfort and breathability, though ventilation may be limited compared to full-face helmets. The intermediate oval head shape ensures a snug fit for most riders, but advanced safety tech like MIPS or advanced ventilation systems are absent. Ideal for casual riding where full coverage isn't required.

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 1200g (2.65) Approximate medium size weight
[COVG.YEAR] Warranty 1 Manufacturer coverage duration
[OPER.ROLE] Primary Use Case Cruising Optimized riding orientation

Safety & Certifications

[SYS.CERT] Homologation DOT FMVSS 218 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

95 dB
Acoustics
6 /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

Regional Legality & Compliance

🇺🇸 US Street Legal
Required: DOT

Meets Federal Motor Vehicle Safety Standard 218 requirements.

🌐 CA Street Legal
Required: DOT

Accepted in most provinces under DOT compliance.

🇪🇺 EU Not Legal
Required: ECE 22.05/22.06

Lacks ECE certification required for road use in Europe.

🌐 AU Not Legal
Required: AS/NZS 1698

Lacks required Australian Standard certification.

Regional Legality Guidance

US

Status: Street Legal

Required: DOT

Meets Federal Motor Vehicle Safety Standard 218 requirements.

CA

Status: Street Legal

Required: DOT

Accepted in most provinces under DOT compliance.

EU

Status: Not Legal

Required: ECE 22.05/22.06

Lacks ECE certification required for road use in Europe.

AU

Status: Not Legal

Required: AS/NZS 1698

Lacks required Australian Standard certification.

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