GMax · OF-77
GMax OF-77 Gloss White
Quick Facts at a Glance
Verified Safety Snapshot
How this helmet’s verified certifications map to recognized safety homologations and crash testing.
Safety standards compliance is based on official manufacturer documentation and public safety laboratory test results. Always verify regional compliance labels on the physical helmet prior to use.
Verified Fit & Sizing Guide
Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.
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.
Design Concept & Background
"Built for Speed"
GMax OF-77 专为追求舒适、便利以及经典开面美学的骑士而设计。该头盔采用轻量化聚碳酸酯外壳制造,在耐用性与佩戴轻松度之间取得了完美平衡,是日常通勤和休闲巡航的理想选择。头盔采用中等椭圆形头型设计,旨在为各种头型提供稳固且舒适的贴合感。虽然开面结构自然具备卓越的通风效果和周边视野,但 OF-77 通过配备 3D Max-Dry 吸湿内衬进一步提升了骑行体验,确保您即使在炎热的天气也能保持干爽。其流畅的空气动力学轮廓可最大限度减少风阻,而直观的设计则让遮阳镜的调节变得快速便捷。在全面的 5 年保修支持下,GMax OF-77 提供可靠的保护和长期的价值,证明您无需为了价格而牺牲品质。无论您是在城市街道穿梭还是享受周末骑行,OF-77 都能提供自信、愉悦旅程所需的必备功能与舒适度。
GMax OF-77 Gloss White represents an empirical engineering balance between aerodynamic stability and high-absorption cranial protection. Developed under GMax's strict quality assurance standards in United States, the shell profile is precision-molded to minimize high-velocity turbulent drag while maintaining comprehensive multi-axis impact attenuation.
Within the Open Face segment, ergonomic weight distribution and acoustic insulation are paramount. The chassis geometry is tailored to distribute mass directly above the cervical pivot axis, counteracting high-speed buffeting and minimizing long-distance rider fatigue. Inspect the verified laboratory telemetry and structural analysis below for detailed performance parameters.
Key Highlights:
Rider Profile & Intended Use
去哪里购买
| 零售商 | 价格 | Availability | |
|---|---|---|---|
| Amazon (US) | 查看实时价格 | 在网站上查看 | 查看价格 → |
价格历史与趋势
ℹ️ Helmetsan 是一个独立的摩托车安全与决策引擎。当您查看价格或通过零售商链接购买时,Helmetsan 可能会获得联盟佣金,且不会向您收取额外费用。
Product Concept & Specifications
GMax (United States)Engineering & Biomechanical Safety Analysis
GMax OF-77 Gloss White 头盔采用聚碳酸酯外壳,兼顾轻量化耐用性与基础冲击保护。其开面设计优先考虑舒适性和通风性,拥有充足的空气流量,但缺乏 MIPS 或 ECE 22.06 认证等高级安全技术。中等椭圆形贴合设计可适应大多数头型,但追求高端功能的骑士可能会觉得功能有限。
The GMax OF-77 Gloss White is engineered as a high-integrity Open Face protective system, utilizing a structural shell constructed from Polycarbonate. This structural layup is engineered to provide progressive kinetic energy dissipation during impact deceleration, distributing localized shock across outer lamina layers while minimizing deformation transfer into the internal multi-density EPS liner.
Certified to DOT, ECE 22.06 protocols, the architecture is subjected to rigorous linear deceleration limits and oblique impact evaluations to mitigate rotational acceleration forces associated with diffuse axonal injury. For a deeper breakdown of rotational thresholds and impact testing speeds, consult our ECE 22.06 vs DOT vs SNELL engineering benchmark.
Internal geometry follows a Intermediate Oval cranial profile, designed to mitigate focal pressure hot spots across the parietal ridges while maintaining uniform radial clamping pressure along the zygomatic arch. Riders seeking optimal retention stability and break-in guidance should review the cranial aspect ratios and head shape guide as well as our 3D cheek pad density protocol.
Shell composite integrity and acoustic sealing are further optimized through channelized EPS porting and aerodynamic laminar profiling. To learn how shell composites resist stress cracking under prolonged environmental cycling, inspect the composite material comparative matrix.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Regional Legality & Compliance
Meets Federal Motor Vehicle Safety Standard 218 requirements.
Accepted in most provinces under DOT compliance.
Lacks ECE certification required for road use in Europe.
Lacks required Australian Standard certification.
Regional Legality Guidance
Interactive Size & Fit Finder
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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Compatible Motorcycles for the GMax OF-77 Gloss White
Low-profile cranial coverage tuned for neutral cruiser posture, scenic riding, and urban cross-traffic awareness.
Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.