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LS2 · Thunder

LS2 Thunder

検証済み技術スペック Full Face ECE 22.05, DOT Polycarbonate 1580g
LS2 Thunder
LS2 Thunder
LS2 Thunder

一目でわかる基本スペック

カテゴリー フルフェイス
安全規格 ECE 22.05, DOT
実測重量 1580 g
シェル素材 ポリカーボネート
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 ✓ ECE 22.05, DOT
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.

Designed for oval to intermediate head shapes; slightly roomy fit compared to modular counterparts.

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 road with the LS2 Thunder, a full-face helmet engineered for riders who demand uncompromising style and superior aerodynamics. Featuring a sleek, aggressive design that cuts through the wind, this helmet reduces fatigue on long rides while maintaining a commanding presence in any traffic scenario. The advanced ventilation system ensures optimal airflow, keeping you cool even during intense summer commutes or spirited track sessions. With a robust composite shell and an intermediate oval fit, the Thunder offers exceptional safety without sacrificing comfort. Experience the perfect blend of modern aesthetics and proven protection, making it the ideal choice for urban explorers and highway cruisers alike.

対象ライダー & 想定用途

ライディングスタイル Sport
Helmet Category フルフェイス
Internal Fit Shape インターミディエイトオーバル（中間型）
Real-time price tracking active across international retailers.

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

LS2 (Spain)

工学設計 & 技術分析

The LS2 Thunder utilizes a composite shell structure designed to balance impact absorption with lightweight rigidity, featuring an aerodynamic profile that minimizes turbulence at high speeds. Its internal EPS liner is strategically zoned to manage energy distribution during frontal impacts, while the integrated visor system ensures rapid deployment and secure locking under G-force loads.

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 ポリカーボネート Outer structural material
実測重量 1580 g (3.48) Approximate medium size weight
メーカー保証 2 Manufacturer coverage duration
Primary Use Case Sport Optimized riding orientation

Safety & Certifications

Certification ECE 22.05 Certified safety standard
回転衝撃保護機構 1 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 4/5 Verified SHARP UK impact test score

空力・静粛性分析

静粛性 82 dB Measured wind noise at speed
Ventilation 7/10 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 Street Legal
Required: DOT

Meets or exceeds DOT FMVSS 218 standards

🇪🇺 EU Street Legal
Required: ECE 22.05

Meets or exceeds ECE 22.05 standards

🌐 CA Street Legal
Required: DOT, TCSA

Meets or exceeds DOT FMVSS 218 and TCSA standards

Regional Legality Guidance

US

Status: Street Legal

Required: DOT

Meets or exceeds DOT FMVSS 218 standards

EU

Status: Street Legal

Required: ECE 22.05

Meets or exceeds ECE 22.05 standards

CA

Status: Street Legal

Required: DOT, TCSA

Meets or exceeds DOT FMVSS 218 and TCSA standards

Certification Documents & References

  • ECE 22.06 (EU) - Economic Commission for Europe - Reference
  • DOT FMVSS 218 (US) - US Department of Transportation - Reference
  • SNELL M 2015 (Global) - Snell Memorial Foundation - Reference

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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
LS2 Official Specification
Safety Testing Agency
ECE 22.05, DOT Homologation Record
検証ステータス
✓ 検証済みデータ
Last Audit Date
2026-09-19