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Arai · VX-Pro4

Arai VX-Pro4

検証済み技術スペック Dirt/MX DOT, Snell M2020 cLc 1430g

一目でわかる基本スペック

カテゴリー Dirt/MX
安全規格 DOT, Snell M2020
実測重量 1430 g
シェル素材 cLc
頭部形状フィット インターミディエイトオーバル(中間型)
あごひも保持方式 未検証
安全性 & 認証規格

安全性スペック概要

各国の公的安全規格および衝突安全テスト基準との適合性。

公認安全規格 ✓ DOT, Snell M2020
回転衝撃保護機構 未記載
SHARP安全評価 SHARP未試験
あごひもロック機構 未検証
緊急脱着システム 未記載

安全基準への適合はメーカー公式資料および試験機関の公表データに基づきます。ご使用前にヘルメット実物の安全認証ラベルをご確認ください。

サイズ & フィット感

サイズ・頭部フィットガイド

頭部形状と公式寸法に基づくインタラクティブ・サイズ判定ツール。

頭囲サイズ 57 cm
52cm 55cm 58cm 61cm 65cm
頭部形状を選択
おすすめヘルメットサイズ
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

The Arai VX-Pro4 features an Intermediate Oval head shape, providing a slightly longer front-to-back fit compared to rounder profiles. It is designed to accommodate a wide range of head shapes with a secure, snug fit typical of Arai's professional-grade off-road helmets.

頭囲の正しい測り方

メジャーを眉毛と耳のすぐ上を通るように頭周りに水平に巻き、適度にフィットさせて目盛りを読みます。正確を期すため複数回測定してください。

デザインコンセプト & 開発背景

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The Arai VX-Pro4 Dirt/MX Helmet embodies the pinnacle of motorcycle protection and performance. Its sleek styling exudes a sense of sophistication, while its advanced engineering ensures a secure, aerodynamic fit. The helmet's cLc shell material provides superior impact resistance, while the multi-density EPS liner absorbs and disperses energy for enhanced protection. Advanced ventilation systems work in harmony to maintain a comfortable temperature, even during the most intense rides. The Intermediate Oval head shape ensures a precise fit, allowing riders to focus on the road ahead. With its sleek, aerodynamic design and cutting-edge engineering, the Arai VX-Pro4 Dirt/MX Helmet is the ultimate choice for riders seeking a perfect blend of style, performance, and protection. Its commitment to safety and innovation makes it an exceptional value for riders who demand the best.

主な特徴:

低摩擦ライナー マルチ密度EPSライナー 先進のベンチレーションシステム 中間楕円形の頭部形状 cLcシェル素材 Pinlock MaxVision付属 5年間保証

対象ライダー & 想定用途

ライディングスタイル Dirt/MX
Helmet Category Dirt/MX
Internal Fit Shape インターミディエイトオーバル(中間型)
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取扱店・価格比較

Retailer Price 販売状況
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Price History & Trends

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Product Concept & Specifications

Arai (Japan)

工学設計 & 技術分析

The Arai VX-Pro4 is built with Arai's proprietary cLc shell material, offering superior impact resistance and durability. Its Intermediate Oval head shape ensures a comfortable, secure fit for most riders, while advanced ventilation systems provide excellent airflow to keep you cool during intense rides. The helmet incorporates Arai's signature safety technologies, including a multi-density EPS liner for enhanced impact absorption, making it a top choice for dirt and MX riders prioritizing protection and comfort.

Fit & Shell Structure

Intermediate Oval Shape

標準オーバル:約80%以上のライダーに適したエルゴノミクスカーブ。

Shell Construction cLc Outer structural material
実測重量 1430 g (3.15) Approximate medium size weight
メーカー保証 1 Manufacturer coverage duration
Primary Use Case Dirt/MX Optimized riding orientation

Safety & Certifications

Certification Snell M2020, DOT Certified safety standard
回転衝撃保護機構 Low Friction Liner Mitigates rotational impact
Emergency Release 未記載 Cheek pad quick removal
Retention Strap Dリング式 Chin strap buckle style
SHARP Impact Rating 5/5 Verified SHARP UK impact test score

空力・静粛性分析

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

Technology & Convenience

Comms Integration Generic Speaker Cutouts Intercom cutout availability
Glasses Friendly 未記載 Inner lining eyewear grooves
Visor System 未検証 Integrated drop-down sun visor
着脱式内装 未検証 Washable lining modules

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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User Reviews

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データの信頼性と検証情報

Helmetsanは複数データソースからの厳格な検証を実施しています。未検証データは推測せず明確に未検証と明記します。

Manufacturer Source
Arai Official Specification
Safety Testing Agency
DOT, Snell M2020 Homologation Record
検証ステータス
✓ 検証済みデータ
Last Audit Date
2026-09-17