Global Helmet Intelligence Platform

AGV · K5 S

AGV K5 S Racer Red

ZWERYFIKOWANA SPECYFIKACJA TECHNICZNA Full Face ECE 22.05, DOT Fiberglass 1460g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Szczękowy
Certifications ECE 22.05, DOT
Measured Weight 1460 g
Shell Material Fiberglass
Head Shape Fit Intermediate Oval
Retention System Double D-Ring
SAFETY & CERTIFICATIONS

Verified Safety Snapshot

How this helmet’s verified certifications map to recognized safety homologations and crash testing.

Certified Homologation ✓ DOT, ECE 22.05
Rotational Protection None
SHARP Impact Score 4/5 Stars (SHARP UK)
Retention Mechanism Double D-Ring
Emergency Release System Not specified

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.

FIT & SIZING

Verified Fit & Sizing Guide

Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.

Your Head Circumference 57 cm
52cm 55cm 58cm 61cm 65cm
Select Head Shape Profile
Recommended Helmet Size
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

Designed for a snug, performance-oriented fit with a slightly narrower cheek area; often requires the smallest liner size (S) for optimal aerodynamic tuck.

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"

Dominate the track and turn heads on the street with the AGV K5 S Racer in a striking Red finish. This full-face helmet is engineered for the uncompromising rider who demands both aerodynamic precision and aggressive styling. Featuring AGV's proprietary aero shell design, it slashes wind resistance to reduce fatigue at high speeds while delivering exceptional cooling through its advanced multi-channel ventilation system. The sleek, low-profile silhouette not only enhances stability but also projects a fierce, race-inspired aesthetic that commands respect. Inside, the premium comfort liner ensures a secure fit for long-distance rides without sacrificing safety or performance. With its seamless integration of form and function, the K5 S Racer is more than protective gear; it is an extension of your riding identity.

Key Highlights:

Konstrukcja z włókna szklanego Dopasowanie pośrednie owalne Aerodynamiczny design Wizjer gotowy na Pinlock MaxVision Zaawansowany system wentylacji 5-letnia gwarancja Certyfikaty DOT i ECE 22.05

Rider Profile & Intended Use

Riding Style Racing
Helmet Category Szczękowy
Internal Fit Shape Intermediate Oval
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Product Concept & Specifications

AGV (Italy)

Engineering & Biomechanical Safety Analysis

The AGV K5 S Racer leverages the brand's signature 'Aerodynamic Shell' technology, utilizing a low-profile chin bar and integrated air ducts to minimize turbulence while maximizing airflow. Constructed from high-impact polycarbonate with an internal EPS liner tuned for intermediate oval head shapes, it balances lightweight rigidity with superior acoustic dampening through optimized visor sealing.

The AGV K5 S Racer Red 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 ECE 22.05, DOT 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.

Konstrukcja skorupy Fiberglass Zewnętrzny materiał konstrukcyjny
Measured Weight 1460 g (3.22) Przybliżona waga w średnim rozmiarze
Warranty 2 Years Okres ochrony producenta
Główne zastosowanie Racing Zoptymalizowana orientacja podczas jazdy

Safety & Certifications

Certyfikacja DOT, ECE 22.05 Certyfikowana norma bezpieczeństwa
Rotational Protection None Łagodzi skutki uderzenia rotacyjnego
Awaryjne odblokowanie Not specified Szybkie wyjmowanie poduszek policzkowych
Pasek mocujący Double D-Ring Typ klamry paska pod brodą
Ocena uderzeniowa SHARP 4/5 Zweryfikowany wynik testu uderzeniowego SHARP UK

Acoustics & Aerodynamics

Poziom hałasu 78 dB Zmierzony hałas wiatru przy prędkości
Wentylacja 7/10 Ocena wydajności przepływu powietrza
Przetestowany w tunelu aerodynamicznym Not specified Zoptymalizowana aerodynamika skorupy
Pinlock przeciw parowaniu Nie uwzględniono Wkładka przeciwmgielna do wizjera

Technology & Convenience

Integracja systemów komunikacji Generic Speaker Cutouts Dostępność wycięcia na interkom
Przystosowany do okularów Not specified Rowki na okulary w wyściółce wewnętrznej
System wizjera Not verified Zintegrowana opuszczana osłona przeciwsłoneczna
Wyjmowane wnętrze Not verified Moduły wyściółki nadające się do prania

Regional Legality & Compliance

🇺🇸 US Street Legal
Required: DOT

Meets FMVSS 218 standards.

🇪🇺 EU Street Legal
Required: ECE 22.05

Compliant with ECE 22.05 regulations for road use.

🇬🇧 UK Street Legal
Required: ECE 22.05

Meets UK road safety requirements via ECE 22.05 certification.

🌐 CA Street Legal
Required: DOT

Recognized for use in most provinces under DOT standards.

Regional Legality Guidance

US

Status: Street Legal

Required: DOT

Meets FMVSS 218 standards.

EU

Status: Street Legal

Required: ECE 22.05

Compliant with ECE 22.05 regulations for road use.

UK

Status: Street Legal

Required: ECE 22.05

Meets UK road safety requirements via ECE 22.05 certification.

CA

Status: Street Legal

Required: DOT

Recognized for use in most provinces under DOT standards.

Certification Documents & References

  • DOT FMVSS 218 (US) - NHTSA - Reference
  • ECE 22.05 (EU) - Economic Commission for Europe - Reference

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VEHICLE SYNERGY & ERGONOMICS

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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.

Manufacturer Source
AGV Official Specification
Safety Testing Agency
ECE 22.05, DOT Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-21