Bell 4forty Air Mips Helmet
Best versatile trail helmet for riders seeking ventilation and comfort.
Designed for aggressive trail riding, this lid balances ventilation with robust protection. The magnetic buckle and integrated sweat management system make it a practical choice for long days on the bike, while the adjustable visor ensures seamless integration with goggles or glasses.
$57.67
at
LordGun
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Who it's for
- Mountain bikers riding in hot climates or high-intensity conditions
- Safety-conscious riders seeking modern brain protection technology
- Long-distance trail riders prioritizing all-day comfort and clear vision
Who should skip it
- Budget-focused cyclists looking for a basic, low-cost protective lid
- Riders with rounder head shapes who require a wider internal fit
- Cyclists who need highly adjustable straps for a perfect ear fit
Performance breakdown
Safety Integration
Mips Evolve system offers top-tier rotational impact protection for trail riders.
Ventilation Efficiency
Fourteen strategic vents keep airflow consistent during intense climbing efforts.
Ease of Use
Fidlock magnetic buckle makes securing the helmet effortless with gloves on.
Fit Customization
Float Fit system provides a secure, dialed-in feel for various head shapes.
Eyewear Compatibility
Adjustable visor and integrated notches accommodate goggles and glasses perfectly.
Moisture Management
Sweat Guide padding effectively channels perspiration away from your eyes.
Key Specs
Weight
385 g
Construction
In-mold with EPS liner
Vents
14
Safety Technology
Mips Evolve
Fit System
Float Fit
Visor Type
3-Position adjustable
Closure Type
Fidlock magnetic buckle
Certifications
CPSC, CE EN1078
Know before you buy
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