Alpinestars · SM5
Alpinestars マットブラック
一目でわかる基本スペック
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。
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・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。
Alpinestars SM5 is a motocross/dirt bike helmet designed for off-road use. It features a multi-density EPS liner and an adjustable dial-fit system. The matte black finish is cosmetic.
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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Dominate the dirt track with the Alpinestars SM5 Matte Black, a helmet engineered where style meets uncompromising safety. This premium MX headgear features a sleek, aggressive matte finish that commands respect on the podium and the trail alike. Constructed with advanced composite materials, it delivers exceptional impact resistance without sacrificing lightweight agility. The integrated MIPS system provides critical protection against rotational impacts, ensuring you stay safe while pushing your limits at full throttle. Superior ventilation channels keep you cool during intense sprints, while the ergonomic fit ensures zero distraction. Whether you are racing in national championships or conquering local trails, the SM5 is the ultimate partner for serious riders who demand both performance and prestige.
主な特徴：
対象ライダー & 想定用途
取扱店・価格比較
| Retailer | Price | 販売状況 | |
|---|---|---|---|
| Amazon (US) | Check live price | View on site | Check Price → |
Price History & Trends
ℹ️ Helmetsan is an independent motorcycle safety & decision engine. When you check prices or purchase via retailer links, Helmetsan may earn an affiliate commission at no additional cost to you.
Product Concept & Specifications
Alpinestars (Italy)工学設計 & 技術分析
The SM5 utilizes Alpinestars' proprietary Multi-Directional Impact Protection System (MIPS) to mitigate rotational forces during high-speed impacts. Its aerodynamic shell design features a low-profile visor and optimized chin bar geometry, reducing wind turbulence while maintaining an open-face acoustic profile suitable for motocross environments.
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。
Safety & Certifications
空力・静粛性分析
Technology & Convenience
Regional Legality & Compliance
Certified for use in the United States; meets DOT FMVSS 218 standards.
Compliant with ECE 22.05 regulations for use in European markets.
Accepted for use in Canada under DOT standards.
Regional Legality Guidance
Interactive Size & Fit Finder
Alpinestars SM5 is a motocross/dirt bike helmet designed for off-road use. It features a multi-density EPS liner and an adjustable dial-fit system. The matte black finish is cosmetic.
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。
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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。