Bell 4forty Air Mips MTB Helmet
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The 4Forty Air MIPS is equipped with pro-level features yet designed with the privateer in mind.
With a sleek new shell design and 3-position visor, the benefits aren’t just visibly rad but functionally significant for increased air ventilation, effective sweat management, and better goggle compatibility.
Our Float Fit™ system, built-in Sweat Guide™, and anti-microbial Ionic+ padding ensures all-day comfort, while integrated MIPS and extended hard-shell coverage helps you stay committed in all shred conditions.
Upgrades like eyewear ports, a Fidlock® magnetic buckle, and premium straps make the 4Forty Air MIPS your go-to for daily trail riding life.
- ROTATIONAL ENERGY MANAGEMENT
- MIPS® (integrated with fit system)
- 3-Position Adjustable Visor
- Goggle Gripper
- Eyewear Ports
- Fidlock® Magnetic Buckle
- No-Twist Tri-Glides™
- Sweat Guide™
- Ionic+™ Comfort Padding
- Fusion In-Mold Polycarbonate Shell
- Float Fit™(integrated with MIPS)
- 360 grams (size M)
- S 52–56 cm
- M 55–59 cm
- L 58–62 cm
- XL 61–65 cm (select colors)
- CPSC Bicycle*, CE EN1078