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Arai · Signet-X

Arai Signet-X Antracite

ESPECIFICAÇÃO TÉCNICA VERIFICADA Full Face DOT, Snell M2020 PB-cLc 1580g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Integral
Certifications DOT, Snell M2020
Measured Weight 1580 g
Shell Material PB-cLc
Head Shape Fit Long 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, Snell M2020
Rotational Protection PB-cLc shell
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.

True Long Oval head shape, specifically designed for riders with a longer front-to-back and narrower side-to-side head profile. Offers a snug, secure fit typical of Arai's professional-grade touring helmets.

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

"Safety is our business"

The Arai Signet-X Anthracite represents the pinnacle of long-oval helmet engineering, meticulously crafted for riders who demand both uncompromising safety and refined touring comfort. Featuring Arai’s proprietary PB-cLc (Peripherally Belted Complex Laminate Construction) shell, this helmet offers exceptional impact resistance while maintaining a lightweight profile. The Signet-X is specifically designed for riders with a longer front-to-back head shape, ensuring a secure, pressure-free fit that excels during long-distance rides. Its advanced ventilation system, including the iconic brow vents, provides superior airflow, keeping the rider cool and focused in varying climates. The interior is equipped with a 3D Max-Dry liner system that is fully removable and washable, offering moisture-wicking performance for all-day freshness. With its aerodynamic silhouette, wide field of vision, and the inclusion of a Pinlock MaxVision lens, the Signet-X Anthracite minimizes wind noise and fatigue, allowing for an immersive riding experience. Combining legendary Arai build quality with a sophisticated aesthetic, the Signet-X is the ultimate choice for touring enthusiasts seeking professional-grade protection and premium, long-wear comfort on the open road.

Key Highlights:

Construção laminada complexa com cintagem periférica Formato de cabeça oval alongado Sistema de ventilação ajustável Sistema 3D Max-Dry Calota PB-cLc Certificado pelas normas DOT e Snell M2020 Garantia de 5 anos Pinlock MaxVision incluído

Rider Profile & Intended Use

Riding Style Turismo
Helmet Category Integral
Internal Fit Shape Long Oval
Real-time price tracking active across international retailers.

Onde comprar

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Histórico e tendências de preços

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Product Concept & Specifications

Arai (Japan)

Engineering & Biomechanical Safety Analysis

The Arai Signet-X Anthracite combines advanced safety with premium comfort, featuring a PB-cLc shell for superior impact resistance and a long-oval head shape for a snug fit. Its ventilation system ensures efficient airflow, while the multi-density EPS liner enhances protection. The helmet's ergonomic design and high-quality interior materials provide long-wear comfort, making it ideal for both track and street use.

The Arai Signet-X Antracite is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from PB-cLc. 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, Snell M2020 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 Long 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

Long Oval Shape

Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.

Construção da calota PB-cLc Material estrutural externo
Measured Weight 1580 g (3.48) Peso aproximado no tamanho médio
Warranty 1 ano Duração da cobertura do fabricante
Caso de uso principal Turismo Orientação de condução otimizada

Safety & Certifications

Certificação DOT, Snell M2020 Padrão de segurança certificado
Rotational Protection PB-cLc shell Atenua o impacto rotacional
Libertação de emergência Not specified Remoção rápida das almofadas das bochechas
Cinta de retenção Double D-Ring Tipo de fivela da cinta jugular
Classificação de impacto SHARP 4/5 Pontuação verificada no teste de impacto SHARP UK

Acoustics & Aerodynamics

Nível de ruído 88 dB Ruído do vento medido em velocidade
Ventilação 8/10 Avaliação do desempenho do fluxo de ar
Testado em túnel de vento Not specified Aerodinâmica otimizada da calota
Pinlock antiembaçante Não incluído Inserto antiembaciamento para viseira

Technology & Convenience

Integração de comunicações Generic Speaker Cutouts Disponibilidade de abertura para intercomunicador
Compatível com óculos Not specified Ranhuras para óculos no forro interior
Sistema de viseira Not verified Viseira solar integrada rebatível
Forro removível Not verified Módulos de forro laváveis

Regional Legality & Compliance

🇺🇸 US Street Legal
Required: DOT

Complies with DOT and Snell M2020 standards

🇪🇺 EU Street Legal
Required: ECE 22.06

Complies with ECE 22.06 standard

Regional Legality Guidance

US

Status: Street Legal

Required: DOT

Complies with DOT and Snell M2020 standards

EU

Status: Street Legal

Required: ECE 22.06

Complies with ECE 22.06 standard

Certification Documents & References

  • ECE 22.06 (EU) - Economic Commission for Europe - Reference

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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
Arai Official Specification
Safety Testing Agency
DOT, Snell M2020 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-21