AGV · K5 S
AGV K5 S Course Grey
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.
标准 AGV 尺寸；对于某些用户来说，脸颊区域略窄，需要精确的尺寸选择。尺寸符合标准，但对于高椭圆形的头部可能会感觉较紧。
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
"The Helmet"
凭借 AGV K-5 S Course Grey 统治赛道。这款头盔专为那些在不牺牲风格的前提下追求极致性能的骑手而设计。这款全盔杰作采用流畅且极具侵略性的美学设计，高级的灰色涂装在沥青路面上极具存在感。内部先进的 MIPS 技术通过减少冲击时的旋转加速度来确保卓越的安全性，让您在每一个弯道都安心无忧。凭借战略性布置的进气口和排气口，您可以体验到卓越的通风效果，即使在激烈的比赛中也能保持凉爽。空气动力学设计最大限度地减少了阻力和风噪，让您能够纯粹专注于赛线。无论您是在追求圈速记录还是享受热血骑行，K-5 S Course 都提供了尖端工程、卓越舒适度和永恒意大利设计的完美结合。
AGV K5 S Course Grey represents an empirical engineering balance between aerodynamic stability and high-absorption cranial protection. Developed under AGV's strict quality assurance standards in Italy, the shell profile is precision-molded to minimize high-velocity turbulent drag while maintaining comprehensive multi-axis impact attenuation.
Within the Full 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
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| 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
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Product Concept & Specifications
AGV (Italy)Engineering & Biomechanical Safety Analysis
AGV K-5 S Course 在轻量化的聚碳酸酯外壳中集成了精炼的 MIPS 安全系统，以减轻冲击时的旋转力。其空气动力学轮廓具有优化的进气口和加长的下巴护板，在保持高速稳定性结构刚性的同时，显著减少了风力紊流。
The AGV K5 S Course Grey is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from Fiberglass. 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 22.05 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 FMVSS 218 standards.
Compliant with ECE 22.05 regulations for road use.
Meets UK road safety requirements via ECE 22.05 certification.
Recognized for use in most provinces under DOT standards.
Regional Legality Guidance
Certification Documents & References
Interactive Size & Fit Finder
标准 AGV 尺寸；对于某些用户来说，脸颊区域略窄，需要精确的尺寸选择。尺寸符合标准，但对于高椭圆形的头部可能会感觉较紧。
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.
Geo Pricing & Availability
| Country | Price | Availability | Source | Updated |
|---|---|---|---|---|
| US | 599 USD | In Stock | Official | 2024-03-17 |
| CA | 649 CAD | In Stock | Official | 2024-03-17 |
| UK | 449 GBP | In Stock | Official | 2024-03-17 |
| AU | 699 AUD | In Stock | Official | 2024-03-17 |
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Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.