Helmet Comparison
并排比较规格、认证、重量和价格。从目录中添加最多四款头盔，然后在此页面上一目了然地查看差异并选择合适的款式。
| 功能 |
|
|
|---|---|---|
| Helmetsan Intelligence Score | ||
| Helmetsan Score |
92 / 100★ Top Score |
80 / 100 |
| Overview & Pricing | ||
| Price | $599.00 | $249.99 |
| Brand | Arai | HJC |
| Helmet Type | Full Face | Modular |
| Model Family | Defiant-X | i90 |
| Safety & Certifications | ||
| Certifications | DOT, Snell M2020, ECE 22.05 | DOT, ECE 22.05 |
| Homologation Standard | DOT, Snell M2020, ECE 22.05 | DOT |
| SHARP Rating |
★ Top Safety |
— |
| Rotational Tech | Yes (Rotational Mitigation) | ECE 22.05 |
| Emergency Release (EQRS) | No | No |
| Multi-Density EPS | Standard EPS | Standard EPS |
| Acoustics & Aerodynamics | ||
| Noise Level @ 100km/h |
85 dB✓ Quietest |
92 dB |
| Ventilation Efficiency | 9/10 | 7/10 |
| Wind Tunnel Developed | CFD / Computational Simulation | CFD / Computational Simulation |
| Construction & Fit | ||
| Verified Weight |
1478 g✓ Lightest |
1680 g |
| Shell Material | PB-cLc2 | Polycarbonate |
| Head Shape | Intermediate Oval | Intermediate Oval |
| Eyewear Grooves | Standard | Standard |
| Removable Interior Liner | Fixed | Fixed |
| Optical & Hardware Features | ||
| Integrated Sun Visor | No (Clear Shield Only) | No (Clear Shield Only) |
| Pinlock Anti-Fog | Pinlock Ready (Lens sold separately) | Pinlock Ready (Lens sold separately) |
| Retention Strap | Double D-Ring | Double D-Ring |
| Bluetooth / Comms Ready | Generic Speaker Cutouts | Generic Speaker Cutouts |
| Manufacturer Warranty | 2 Years | 1 Year |
| Editorial Highlights |
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