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Arai · Signet-X

Arai Signet-X Vortex TC-2

VERIFIED TECHNICAL SPEC Full Face DOT, Snell M2020 PB-cLc 1580g

Quick Facts at a Glance

Category Full Face
Certifications DOT, Snell M2020
Measured Weight 1580 g
Shell Material PB-cLc
Head Shape Fit Long Oval
Retention System Not verified
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 Not specified
SHARP Impact Score Not tested by SHARP
Retention Mechanism Not verified
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

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Arai Signet-X Vortex TC-2 is a high-performance Full Face helmet engineered by Arai to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.

Key Highlights:

Peripherally Belted Complex Laminate Construction Long Oval head shape Adjustable ventilation system 3D Max-Dry system PB-cLc shell DOT and Snell M2020 certified 5-year warranty Pinlock MaxVision included

Rider Profile & Intended Use

Riding Style Touring
Helmet Category Full Face
Internal Fit Shape Long Oval
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Where to buy

Price History & Trends

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Product Concept & Specifications

Arai (Japan)

Engineering & Technical Analysis

Die Arai Signet-X Vortex TC-2 vereint fortschrittliche Sicherheitstechnologie mit einer PB-cLc-Schale, die herausragenden Aufprallschutz und Langlebigkeit bietet. Die langovale Kopfform sorgt für einen präzisen Sitz bei Fahrern mit länglichem Kopfumriss und steigert den Komfort bei längerem Tragen. Das integrierte Belüftungssystem von Arai gewährleistet effizienten Luftstrom zur Kühlung unter verschiedenen Bedingungen, während gleichzeitig die Geräuschdämmung für eine leisere Fahrt optimiert wird.

Fit & Shell Structure

Long Oval Shape

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

Shell Construction PB-cLc Outer structural material
Measured Weight 1580g (3.48) Approximate medium size weight
Warranty 1 Manufacturer coverage duration
Primary Use Case Touring Optimized riding orientation

Safety & Certifications

Certification DOT, Snell M2020 Certified safety standard
Rotational Protection PB-cLc shell Mitigates rotational impact
Emergency Release Not specified Cheek pad quick removal
Retention Strap Double D-Ring Chin strap buckle style
SHARP Impact Rating 4/5 Verified SHARP UK impact test score

Acoustics & Aerodynamics

Noise Level 88 dB Measured wind noise at speed
Ventilation 8/10 Airflow performance rating
Wind Tunnel Tested Not specified Optimized shell aerodynamics
Pinlock Anti-Fog Not included Anti-fog visor insert

Technology & Convenience

Comms Integration Generic Speaker Cutouts Intercom cutout availability
Glasses Friendly Not specified Inner lining eyewear grooves
Visor System Not verified Integrated drop-down sun visor
Removable Interior Not verified Washable lining modules

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
2026-06-12