GMax · OF-77
GMax OF-77
Design Concept & Background
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GMax OF-77 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:
Rider Profile & Intended Use
Where to buy
| Marketplace | Price | Availability | Updated | |
|---|---|---|---|---|
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Amazon (US)
Store Profile
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$109.95 | ● In Stock | 1 second ago | Buy Now → |
Certified GMax Stores in US
Price History
Product Concept & Specifications
GMax (United States)Engineering & Technical Analysis
GMax OF-77采用聚碳酸酯外壳，轻便耐用且具备基本防冲击保护。其开放式面罩设计注重舒适性和透气性，但通风性能可能不及全脸头盔。中椭圆头型设计确保大多数骑手佩戴贴合，但缺乏MIPS等先进安全技术或高级通风系统。适合日常休闲骑行，无需全面防护时使用。
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Quiet Index: Superior sound damping and isolated ear cavity structures. Good flow balance utilizing EPS exhaust ports.
Technology & Convenience
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.
Part numbers
| Product style | MFR. product # | SKU | Availability |
|---|---|---|---|
| Matte Black / | — |
GMA-OF77-BLK | instock |
| Gloss White / | — |
GMA-OF77-WHI | instock |
| Track Blue / | — |
GMA-OF77-TRA | instock |
| Tech Grey / | — |
GMA-OF77-TEC | instock |
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