Alpinestars SM-5 コースブルー
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。
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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Experience the perfect blend of race-ready performance and everyday versatility with the Alpinestars SM-5 Course Blue. Designed for riders who demand precision engineering without compromising on style, this helmet features a sleek, aerodynamic profile that cuts through the wind while delivering superior cooling through strategically placed vents. The vibrant blue finish is complemented by premium graphics that make a statement on the track or the street.
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 Alpinestars SM-5 Course Blue utilizes a multi-density EPS liner system designed to optimize energy absorption across varying impact vectors. The outer shell is constructed from high-grade carbon fiber composite, offering an exceptional strength-to-weight ratio that reduces rotational forces during lateral impacts while maintaining structural rigidity. Integrated with the MIPS (Multi-directional Impact Protection System) technology, the helmet features a low-friction slip plane that allows the inner liner to rotate independently of the head upon oblique impacts, significantly reducing the risk of traumatic brain injury.
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
Interactive Size & Fit Finder
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。