Bell · MX-9
MX-9
Quick Facts at a Glance
Verified Safety Snapshot
How this helmet’s verified certifications map to recognized safety homologations and crash testing.
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.
Verified Fit & Sizing Guide
Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.
Best for oval head shapes; requires cheek pad adjustment for narrow faces.
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
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The Bell MX-9 delivers competition-grade off-road impact absorption with maximum cooling throughput, delivering lightweight balance and wide-vision goggle accommodation. Featuring a High-Yield Impact-Resistant Polycarbonate / Lexan architecture at a featherweight 1342g, it combines progressive kinetic energy dissipation across DOT, ECE 22.05 certifications with an acoustically tuned ~100 dB aero profile. An ultra-breathable, antimicrobial interior liner stabilizes the helmet during aggressive terrain vibration, locked in securely with track-proven Double D-Ring retention.
Rider Profile & Intended Use
Where to buy
| Retailer | Price | Availability | |
|---|---|---|---|
| Amazon (US) | Check live price | View on site | Check Price → |
Price History & Trends
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Product Concept & Specifications
Bell (United States)Engineering & Technical Analysis
Features 3K Carbon Fiber shell featuring Flex Impact Liner with progressive three-layer density rotational energy management paired with Panovision Class-1 optics visor with extended lateral field of view. The interior utilizes Virus CoolJade anti-bacterial lining paired with Magnefusion magnetic removable cheek pads with pre-shaped speaker cutouts for seamless Bluetooth comms integration.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Certification Documents & References
- ECE 22.05 (EU) - Economic Commission for Europe - Reference
Interactive Size & Fit Finder
Best for oval head shapes; requires cheek pad adjustment for narrow faces.
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.
Part numbers
| Product style | MFR. product # | SKU | Availability |
|---|---|---|---|
| Matte Black / | — |
HSN-VAR-BELL-MX-9-MATTE-BLACK | instock |
| White / | — |
HSN-VAR-BELL-MX-9-WHITE | instock |
Available Colors & Graphics
View on retailers
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Compatible Accessories
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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.