Bell MX-9 Adventure MIPS Review: Noisy or Nice?

As a seasoned rider who’s tested numerous helmets across varying terrains, I’ve found the MX-9 Adventure MIPS offers a compelling mix of features that deserve closer examination.

Its adaptability shines through its ability to transform from a street-focused lid to an off-road-ready piece of gear, making it particularly interesting for riders who blur the lines between pavement and dirt.

But what really sets this helmet apart isn’t just its versatility – it’s the intersection of advanced safety features, comfort, and value.

With a price point that won’t break the bank and technology that could help protect your brain, does the Bell MX-9 ADV MIPS deliver on its promises of being the ultimate dual-sport helmet for both weekend warriors and serious adventure riders?

In this MX-9 Adventure MIPS review, we will examine all its features to determine whether it is the right ADV helmet for you. We’ll assess its comfort, ventilation, and safety features to see how it compares to other adventure helmets on the market. Additionally, we’ll discuss how it stacks up against competitors like the Arai XD5 Dual Sport Helmet in terms of design and performance. By the end of this review, you’ll have a clear understanding of whether the MX-9 Adventure MIPS is the best choice for your riding needs.

Bell MX-9 Mips

Bell MX-9 Mips Review

Key Takeaways

  • Excellent ventilation works in heat
  • Wind noise requires highway earplugs
  • MIPS technology protects against brain injury

Our MX-9 ADV MIPS Final Verdict

After testing the Bell MX-9 Adventure MIPS extensively across varied terrain, I’m convinced it offers exceptional value for dual-sport riders.

The helmet combines MIPS safety technology with versatile features at a price point that won’t break the bank.

I particularly like how it handles off-road sections while remaining comfortable enough for street riding.

In my experience, the ventilation system works remarkably well in hot weather, though this comes with some trade-offs.

The helmet’s multiple shell sizes ensure a proper fit across the size range, and the interior padding, while not premium, provides decent comfort for day-long adventures.

I really like the wide eye port that accommodates most goggles, and the face shield’s anti-fog coating helps maintain visibility in challenging conditions.

The MIPS technology gives me added confidence, knowing there’s extra protection against rotational forces during impacts.

Potential Drawbacks to Consider

After using this helmet for several months, I’ve noticed some limitations.

The wind noise becomes significant at highway speeds, requiring earplugs for longer rides. The always-open vents create issues in cold or wet weather, and the peak visor can catch wind above 65 mph.

I’ve also found the interior padding could be plusher for extended wear.

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Comparison to Similar Models

FeatureNexx X.WED3Shoei Hornet X2Klim Krios Pro
Shell ConstructionX-Matrix2 composite shellMulti-Ply Matrix AIM+ compositeCarbon fiber with Koroyd protection
Weight3.5 lbs4.0 lbs3.25 lbs
Safety CertificationsECE 22.06DOT and Snell M2020ECE 22.06 and DOT
Ventilation11 adjustable vents with winter insertCNS-2 system with multiple ventsThree intake, four exhaust ports
Special FeaturesFast Release System, integrated bluetooth compatibilityEmergency Quick Release System, Pinlock includedTransitions photochromic shield, Fidlock magnetic closure
Interior ComfortX-MART DRY fabric, multiple pad thickness options3D Max-Dry II moisture-wickingKlimatek antimicrobial moisture-wicking liner

The Nexx X.WED3 stands out with its extensive ventilation system and integrated bluetooth compatibility. The Shoei Hornet X2 offers dual safety certifications and an emergency release system. The Klim Krios Pro impresses with its ultralight carbon fiber construction and innovative Transitions shield.

In terms of ventilation, the Nexx X. WED3 leads with 11 adjustable vents, while the Klim Krios Pro and Shoei Hornet X2 offer fewer but still effective systems. The Shoei is the heaviest at 4. 0 lbs, with the Klim being the lightest at just 3. 25 lbs. This weight difference makes the Klim Krios Pro a great option for riders who prioritize reduced fatigue on long journeys. Additionally, many ‘Klim Krios Pro review‘ articles highlight its carbon fiber construction, which contributes to both its lightweight feel and impressive durability. Despite having fewer vents than the Nexx X. WED3, the Klim still provides adequate airflow for most riding conditions.

For safety, the Shoei Hornet X2 boasts both DOT and Snell certifications, while the others meet ECE and/or DOT standards. Each helmet offers unique comfort features, with moisture-wicking liners being a common thread across all models.

Shell Construction Delivers Advanced Protection

The MX-9 uses a polycarbonate shell integrating MIPS technology for enhanced protection against rotational forces. I've found this construction offers solid protection while maintaining reasonable weight for all-day comfort.

The MX-9 uses a polycarbonate shell integrating MIPS technology for enhanced protection against rotational forces. I’ve found this construction offers solid protection while maintaining reasonable weight for all-day comfort.

The MIPS system allows small rotational movements during impact, reducing forces transferred to your head. A US neuroscientist confirmed this technology’s potential benefits for rider safety.

This multi-shell approach prevents the oversized appearance common in single-shell designs while maintaining proper safety zones for each size range.

Material Performance Trade-offs 

Material TypeBenefitsLimitations
PolycarbonateAffordable, DurableHeavier, More wind noise
FiberglassLighter, Better air-flowHigher cost
Carbon FiberLightest, Premium feelMost expensive

I found that the polycarbonate construction creates more wind noise than premium materials. However, this trade-off allows Bell to offer advanced MIPS protection at a mid-range price point.

It performs exceptionally well in hot weather but shows limitations in cold and wet weather. I’ve noticed the aggressive styling and ample air flow make it louder than street-focused motorcycle helmets, though earplugs effectively address this issue.

A correctly fitted lid dramatically increases survival chances in crashes. I’ve found the Bell MX-9 requires precise sizing for optimal safety and comfort.

Proper Sizing Determines Safety Performance

Your helmet should press firmly against your cheeks - tight enough that you can feel the padding but without causing pain. The pressure needs to be even across your head without creating sharp pressure points. 

Your helmet should press firmly against your cheeks – tight enough that you can feel the padding but without causing pain. The pressure needs to be even across your head without creating sharp pressure points. 

Initial Break-in Period

The interior padding will conform to your head shape over time. Some riders report needing 2-3 rides for the padding to settle.

However, if you experience headaches after 15-20 minutes of wear, that indicates an incorrect fit rather than a normal break-in.

Size Chart and Measurement

SizeHead (cm)Head (inches)
XS   53-54     21¼ – 21⅝    
S    55-56     21⅝ – 22     
M    57-58     22½ – 22¾    
L    59-60     22⅞ – 23¼    
XL   61-62     23⅝ – 24     
2XL  63-64     24½ – 24¾    

Fit Testing Guidelines

To test the fit:

  • It shouldn’t move when you shake your head
  • Try rotating side-to-side – your cheeks should move with the helmet
  • The chin strap should allow two fingers between the strap and jaw
  • Someone shouldn’t be able to roll the helmet off your head from behind

The MX-9’s intermediate oval shape works best for most head shapes. If you feel excessive pressure at any point, try the next size up or consider a different model.

Color Options Expand Rider Choice

The MX-9 ADV MIPS comes in an extensive range of colors and graphics to match different riding styles and preferences.

Standard MIPS Model Variety

The standard version offers multiple color schemes:

  • Hi-Viz Yellow/Grey
  • Dash Black/Red
  • Matte Black
  • Alpine Series (White/Black, Black/Orange, Chrome/Silver, Grey/Blue)

I’ve found the “dash matt sand-brown-grey” particularly striking on the trails, with its subtle yet distinctive appearance.

DLX MIPS Premium Options

The DLX version comes with:

  • Matte Black base color
  • ProTint photochromatic shield included ($150 value)
  • Marauder Matte/Gloss Blackout special edition

Graphic Design Collections

It features several graphic series:

  • Alpine collection with contrasting color schemes
  • Marauder series with matte/gloss combinations
  • Dash designs with bold color accents

The finish quality stands out across all color options. Each design incorporates reflective elements that increase visibility while maintaining its aggressive styling. The matte finishes have proven particularly resistant to scratches and wear during my off-road testing.

Prices vary by design:

  • Solid colors start at $193
  • Special editions like the Marauder reach $221
  • All versions include MIPS technology regardless of color choice

Interior Comfort Features Matter

The interior uses a microsuede liner with antimicrobial properties for long-lasting freshness. I've found the padding feels plush but isn't the softest in its class.

The interior uses a microsuede liner with antimicrobial properties for long-lasting freshness. I’ve found the padding feels plush but isn’t the softest in its class.

Liner Delivers Practicality

The removable liner offers several benefits:

  • Quick removal for washing
  • Anti-bacterial treatment fights odors
  • Moisture-wicking properties keep you dry

While short rides are comfortable, I prefer more padding for all-day comfort.

Cheek Pad Customization

This model has adjustable cheek pads in four sizes (30mm-45mm). This customization helps achieve a proper fit that is crucial for safety. The pads are:

  • Removable for cleaning
  • Anti-odor treated
  • Available in multiple thicknesses

Communication Integration

The EPS liner includes recessed speaker pockets for easy Blurtooth installation. My testing shows:

  • Sena installs easily with adhesive strips
  • Speakers fit without pressure points
  • Good sound quality, even with earplugs

Eyewear Considerations 

It lacks dedicated eyeglass channels, presenting challenges. However:

  • Standard sunglasses fit adequately
  • Shield opens to the first notch for ventilation without vision interference
  • Large eye port accommodates most eyewear

The interior design prioritizes air flow and moisture management over plush comfort. While not the most luxurious, it provides good functionality for its price point.

Weight Impacts The Riding Experience

It weighs 3.74 lbs (1698g) in size medium, placing it in the heavier range of ADV motorcycle helmets. I’ve found this weight noticeable on longer rides, particularly with the peak installed.

Weight Distribution Analysis

The lid mass concentrates higher due to the peak and dual-sport design. This creates more fatigue during:

  • Head checks at highway speeds
  • Off-road technical sections
  • Multi-hour touring sessions

Market Comparison

ModelWeight (lbs)Material
LS2 Explorer Carbon3.04Carbon Fiber
Klim Krios Pro3.40Carbon Fiber
Scorpion XT90003.483K Carbon
Shoei Hornet X23.66Multi-Composite
Bell MX-9 ADV3.74Polycarbonate

Real-World Performance

The weight becomes most apparent in three scenarios:

  • During long highway stretches
  • When performing frequent head checks
  • In technical off-road sections requiring quick head movements

The polycarbonate construction adds bulk compared to premium carbon fiber alternatives. However, this trade-off enables Bell to offer MIPS technology at a lower price point than lightweight competitors.

Safety Features Protect Riders

The MX-9 Adventure meets both DOT and ECE 22.05 safety standards, incorporating advanced brain protection technology. This dual certification provides confidence for both street and off-road riding.

The MX-9 Adventure meets both DOT and ECE 22.05 safety standards, incorporating advanced brain protection technology. This dual certification provides confidence for both street and off-road riding.

MIPS Technology Reduces Injury Risk

The Multi-directional Impact Protection works by:

  • Creating a low-friction layer between the shell and liner
  • Allowing it to slide during angled impacts
  • Redirecting harmful rotational forces away from the brain

This technology comes from medical research between a brain surgeon and biomechanics scientist and is specifically designed to reduce brain trauma in accidents.

Competition-Ready Protection

It carries ACU Gold approval, making it legal for:

  • Road racing events
  • Sprint competitions
  • Hill climbs
  • Speed events on metalled surfaces

This certification requires passing stringent testing beyond standard road-use requirements.

Bell’s Safety Heritage

Bell’s testing record shows mixed but generally positive results:

  • Recent polycarbonate lids score 3 out of 5 SHARP stars
  • Historical performance ranks among the safest brands
  • Fibreglass models achieve 3-5 SHARP stars

The MX-9 uses three sizes to optimize safety across the size range. This multi-shell approach improves both safety and fit compared to single-shell designs.

Safety Testing Results

Recent SHARP testing in March 2024 evaluated:

  • 32 impact tests
  • Seven lids across multiple sizes
  • Impact protection at five locations
  • Linear impacts against flat anvils

The double D-ring fastener provides reliable retention, requiring proper adjustment each time you put it on.

Ventilation Delivers Abundant Airflow

The MX-9 Velocity-Flow ventilation provides exceptional cooling through multiple intake and exhaust vents. I've found it works remarkably well in hot weather but can be overwhelming in cold weather.

The MX-9 Velocity-Flow ventilation provides exceptional cooling through multiple intake and exhaust vents. I’ve found it works remarkably well in hot weather but can be overwhelming in cold weather.

Strategic Vent Placement

It features seven total vents:

  • One large adjustable chin vent
  • Two fixed forehead vents
  • Two fixed jaw vents
  • Four rear exhaust ports

The extended chin bar channels significant airflow past your face, making this setup particularly effective for summer riding and off-road adventures.

Summer Performance Excels

It proves most effective in warm weather. The chin vent delivers generous amounts of air through large channels in the liner, while the rear exhaust vents create consistent airflow. This configuration keeps riders cool even during strenuous off-road sections.

Cold Weather Limitations

The always-open vents create some notable drawbacks:

  • Only the chin vent can be closed
  • Cold air constantly flows through top vents
  • Rain can enter through permanent openings
  • Higher wind noise at highway speeds

Real-World Testing Results

During my testing, it performed differently across different weather conditions:

  • Hot weather: Excellent cooling and moisture control
  • Rain: Water ingress through always-open vents
  • Cold weather: Excessive airflow causes discomfort
  • Highway speeds: Increased wind noise requires earplugs

The aggressive ventilation makes this lid ideal for summer trail riding but less suitable for year-round touring or wet conditions.

The Visor Mechanism Shows Mixed Performance

The Bell MX-9 face shield uses NutraFog II anti-fog coating with mixed results. I've found the vast visor provides excellent visibility but struggles with fog management in cold and wet weather.

The Bell MX-9 face shield uses NutraFog II anti-fog coating with mixed results. I’ve found the vast visor provides excellent visibility but struggles with fog management in cold and wet weather.

Anti-Fog Technology Falls Short

The NutraFog II coating creates some notable issues:

  • Water vapor beads on the inside surface
  • Vision becomes fuzzy around lights
  • Clarity deteriorates in cold weather
  • Forces visor opening on wet rides

ProTint Shield Adds Versatility

The optional ProTint photochromic shield ($150) offers significant benefits:

  • Automatically adjusts to light
  • Works with goggles without removal
  • Comes standard on DLX model
  • Installs in minutes with basic tools

Goggle Integration Works Well

It accommodates goggles effectively:

  • Shield flips up for goggle use
  • Enough room for most goggle brands
  • Can close visor over goggles
  • No stock goggle strap clip included

Shield Operation Features

The visor includes practical elements:

  • Center-mounted tabs for ambidextrous operation
  • Stays in position when partially opened
  • Forms tight seal against water ingress
  • Quick removal visor for cleaning

The vast eye port enhances visibility, but the lack of effective anti-fog treatment remains a significant drawback for cold or wet weather riding.

For year-round use, riders should consider upgrading to the ProTint shield or using goggles in challenging weather.

Noise Levels Demand Attention

The MX-9 generates significant wind noise, reaching up to 115 dB at highway speeds. I’ve found this noise level typical for ADV motorcycle helmets due to their peak visors and increased air-flow.

Wind Speed Affects Sound Generation

The noise levels increase with speed and head position:

  • Peak visor creates turbulence
  • Always-open vents allow wind penetration
  • Large eye port contributes to noise
  • Chin curtain gaps permit air infiltration

Noise Reduction Solutions

A properly fitted lid creates a tight seal around the ears and neck, reducing wind noise. I’ve tested several noise reduction methods:

MethodEffectivenessEase of Use
BandanaModerateSimple
Chin CurtainGoodPermanent
EarplugsExcellentRequired

Simple Modifications Work

The  noise level can be reduced through basic adjustments:

  • Tightening the neck roll padding reduces under-helmet turbulence
  • Adding foam padding near ear areas improves sound isolation
  • Removing the peak visor significantly decreases wind noise
  • Using a neck gaiter helps seal the bottom

Professional Solutions Required

For serious noise reduction, consider:

  • High-quality motorcycle earplugs
  • Improved neck seal installation
  • Aerodynamic modifications to reduce turbulence
  • Regular inspection of visor seals

The noise levels make hearing protection essential for long rides or highway speeds. Wind noise at 115 dB exceeds safe exposure limits and can cause hearing damage without proper protection.

Bluetooth Integration Enhances Connectivity

The MX-9 features dedicated speaker pockets and cable routing channels that accommodate most modern Bluetooth units. I found it is particularly compatible with both Sena and Cardo.

Communication Options

It works exceptionally well with:

  • Cardo Packtalk Edge with JBL speakers
  • Sena SMH10R
  • Multiple Bluetooth brands using adhesive or clip mounts

Installation Process Simplifies

The installation process takes about 20 minutes. Here’s my tested method:

  1. Remove cheek pads and liner
  2. Install speakers in dedicated pockets
  3. Route microphone through chin area
  4. Mount control unit on left side
  5. Connect all cables
  6. Reinstall padding

Performance Features Stand Out

The design offers several communication benefits:

  • Recessed speaker pockets prevent pressure points
  • Multiple mounting options for microphone placement
  • Easy access to controls while riding
  • Clear sound quality with proper speaker positioning

The Cardo Packtalk Edge proves particularly effective, offering excellent sound clarity through its 40mm JBL speakers. It connects to smartphones in under 10 seconds and maintains reliable connectivity throughout rides.

For optimal performance, experiment with speaker placement – even small adjustments can significantly improve sound quality. The design allows for quick removal and reinstallation of communication systems when needed.

Pros & Cons

ProsCons
MIPS safety technology includedNoisy at highway speeds
Multiple shell sizes for better fitLimited anti-fog performance
Excellent ventilation in hot weatherAlways-open vents can’t be closed
Good speaker pocket placementWater ingress through permanent vents
Removable, washable linerHeavier than premium helmets
Compatible with most comms unitsPeak visor creates turbulence
Large eye port for gogglesCan feel bulky compared to street helmets
Affordable price pointInterior padding could be plusher
ECE and DOT-certifiedWind noise requires earplugs
ProTint shield option availableCheek pads may need size adjustment

It balances budget-friendly features with solid safety credentials, though it makes some compromises in refinement and weather protection compared to more expensive options.

FAQ

Is the Bell MX-9 MIPS good for long-distance touring?

How does the sizing run compared to other motorcycle helmets

Can I wear glasses with this helmet?

How effective is MIPS?

What’s the best Bluetooth unit to use?

How does it handle rain?

Is the MX-9 Adventure MIPS safe?

Value Proposition Delivers Strong Results

The MX-9 MIPS helmet combines advanced safety features with practical dual-sport functionality at a competitive price point. I’ve tested this lid extensively across varied conditions and found it offers exceptional value for riders who mix on and off-road adventures.

Target Rider Profile Emerges

This lid serves dual-sport and ADV riders who want MIPS protection without premium pricing. The design excels for:

  • Weekend trail riders needing street-legal protection
  • Dual-sport enthusiasts mixing dirt and pavement
  • Budget-conscious riders who prioritize safety features
  • For hot-weather riders wanting maximum ventilation

Purchase Recommendation Stands Clear

After months of testing, I recommend this lid for its blend of safety and versatility. The MIPS technology and dual-sport capability make it an excellent choice for riders starting their adventure riding journey. The strengths in ventilation and safety features outweigh its limitations in noise control and cold-weather performance.

For riders looking for a versatile lid circa $200 with proven safety technology, the MX-9 delivers outstanding value. Just budget for earplugs and consider the ProTint shield upgrade for improved versatility.

More Details

Target Riders

Technical Terms

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Testing Methods

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