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Bell · Mag-9

Bell Mag-9 Flow Blue

技术规格已验证 Open Face DOT Polycarbonate 1300g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category 开放式
Certifications DOT
Measured Weight 1300 g
Shell Material Polycarbonate
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 22.05
Rotational Protection Yes (Rotational Mitigation)
SHARP Impact Score 5/5 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.

开面设计,配有延伸的颊垫以确保稳固贴合;适用于椭圆形和中等椭圆形头型。

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

"The Best Protection"

驾驶 Bell Mag-9 Flow Flow Blue,掌控沥青路面。这款头盔完美融合了复古灵感美学与现代安全工程。专为追求视野与风格的骑士设计,这款开面盔采用极具侵略性且精致的壳体造型,在切开风阻的同时,凭借卓越的通风系统保持清爽。鲜艳的蓝色饰面辅以高级皮革点缀,并配备安全的磁吸下巴扣,确保在进入赛道或弯道前能够快速佩戴。内部采用 Fit Right 技术,为中等椭圆形头型提供定制般的贴合感,在长途骑行中提供无与伦比的舒适度。无论您是在城市街道巡航还是在开放高速公路上探索,Mag-9 Flow 都能提供毫不妥协的保护以及令人瞩目的标志性外观。

Bell Mag-9 Flow Blue represents an empirical engineering balance between aerodynamic stability and high-absorption cranial protection. Developed under Bell's strict quality assurance standards in United States, the shell profile is precision-molded to minimize high-velocity turbulent drag while maintaining comprehensive multi-axis impact attenuation.

Within the Open Face 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.

Rider Profile & Intended Use

Riding Style Street
Helmet Category 开放式
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

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价格历史与趋势

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Product Concept & Specifications

Bell (United States)

Engineering & Biomechanical Safety Analysis

Bell Mag-9 Flow 利用品牌专有的 Fit Right 系统确保精确的中等椭圆形贴合,在保持结构完整性的同时减少压力点。其开面结构利用集成在 EPS 内衬中的高流量气道和延伸的下巴帘,在不影响空气动力学轮廓的情况下最大限度地优化热调节。

The Bell Mag-9 Flow Blue is engineered as a high-integrity Open Face protective system, utilizing a structural shell constructed from Polycarbonate. 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 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 Polycarbonate 外部结构材料
Measured Weight 1300 g (2.87) 中号尺寸的大约重量
Warranty 1 年 制造商保障期限
主要用途 Street 优化的骑行姿态

Safety & Certifications

认证 ECE 22.05 经认证的安全标准
Rotational Protection Yes (Rotational Mitigation) 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 5/5 SHARP UK 冲击测试成绩已验证

Acoustics & Aerodynamics

噪音水平 未测试 实测高速风噪
通风 8/10 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

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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
Bell Official Specification
Safety Testing Agency
DOT Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-08