Global Helmet Intelligence Platform

Arai · VX-Pro4

VX-Pro4 Street TC-3

技术规格已验证 Dirt/MX DOT, Snell M2020, ECE 22.05 cLc 1451g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Dirt/MX
Certifications DOT, Snell M2020, ECE 22.05
Measured Weight 1451 g
Shell Material cLc
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 ✓ ECE 22.06
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.

Arai VX-Pro4 TC-3 是一款专为越野/土路设计的越野头盔。它采用 Arai 多密度 EPS 内衬,适合中等椭圆形头型。

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"

体验 Arai VX-Pro4 Street TC-3:将日本 🇯🇵 工艺与 VAS (Variable Axis System) 遮阳镜机构相结合,配备双锁扣遮阳镜锁、IC Duct 5 通风进气口,以及单体多密度 EPS 内衬和配备 Eco-Pure 抗微生物可拆卸 Dry-Cool 内衬。是追求极致安全与气动声学舒适度的骑手的完美选择。

VX-Pro4 Street TC-3 represents an empirical engineering balance between aerodynamic stability and high-absorption cranial protection. Developed under Arai's strict quality assurance standards in Japan, the shell profile is precision-molded to minimize high-velocity turbulent drag while maintaining comprehensive multi-axis impact attenuation.

Within the Dirt/MX 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:

低摩擦内衬 多密度 EPS 内衬 先进通风系统 中等椭圆形头型 cLc 外壳材料 包含 Pinlock MaxVision 5年保修

Rider Profile & Intended Use

Riding Style Street
Helmet Category Dirt/MX
Internal Fit Shape Intermediate Oval
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Product Concept & Specifications

Arai (Japan)

Engineering & Biomechanical Safety Analysis

采用复合层结构 (CLC),配备 PB-SNC2 外围带状加强和 R75 平滑外壳几何结构,可将碰撞能量偏转。配备 VAS (Variable Axis System) 遮阳镜机构,带双锁扣遮阳镜锁和 IC Duct 5 通风进气口。内饰采用单体多密度 EPS 内衬,搭配配备 Eco-Pure 抗微生物可拆卸 Dry-Cool 内衬,并预留扬声器切口,可无缝集成蓝牙通讯系统。

The VX-Pro4 Street TC-3 is engineered as a high-integrity Dirt/MX protective system, utilizing a structural shell constructed from 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, 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.

外壳结构 cLc 外部结构材料
Measured Weight 1451 g (3.2) 中号尺寸的大约重量
Warranty 2 Years 制造商保障期限
主要用途 Street 优化的骑行姿态

Safety & Certifications

认证 ECE 22.06 经认证的安全标准
Rotational Protection None 减轻旋转冲击
紧急释放 Not specified 脸颊垫快速拆卸
固定带 Double D-Ring 下巴带扣类型
SHARP 碰撞评级 4/5 SHARP UK 冲击测试成绩已验证

Acoustics & Aerodynamics

噪音水平 92 dB 实测高速风噪
通风 7/10 气流性能评级
风洞测试 Not specified 优化的外壳空气动力学
Pinlock 防雾 未包含 防雾镜片内衬

Technology & Convenience

通信设备集成 Generic Speaker Cutouts 对讲机开孔可用性
适合佩戴眼镜 Not specified 内衬眼镜凹槽
面罩系统 Not verified 一体式下拉式遮阳镜
可拆卸内衬 Not verified 可清洗内衬模块

Regional Legality & Compliance

🇺🇸 US Legal
Required: DOT, Snell M2020

Compliant for off-road and MX use; Snell M2020 exceeds standard DOT requirements.

🇪🇺 EU Legal
Required: ECE 22.06

Meets current ECE 22.06 safety standards for European market distribution.

Regional Legality Guidance

US

Status: Legal

Required: DOT, Snell M2020

Compliant for off-road and MX use; Snell M2020 exceeds standard DOT requirements.

EU

Status: Legal

Required: ECE 22.06

Meets current ECE 22.06 safety standards for European market distribution.

Certification Documents & References

  • ECE 22.06 (EU) - Economic Commission for Europe - Reference
  • Snell M2020 (US) - Snell Memorial Foundation - 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, ECE 22.05 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-09