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The Bell 4Forty Air Mips is a trail rider's dream¡ªengineered with advanced protection, all-day comfort, and sleek functionality to keep you shredding with confidence. Designed for privateers and enthusiasts alike, this helmet is your next go-to for conquering trails.

All-Day Comfort - Sweat Control - Precision Fit
Comfort You Can Count On
Stay comfortable and focused with the Float Fit system and Fidlock magnetic buckle, offering quick, secure adjustments. Paired with Ionic+ antimicrobial padding and the Sweat Guide, you¡¯ll ride longer without irritation or discomfort.

Goggles & Glasses Compatible - Adjustable Visor - Secure Straps
Trail-Ready Features
The 3-position adjustable visor, eyewear storage ports, and goggle gripper deliver unbeatable functionality for any trail condition. No-Twist Tri-Glides keep your straps flat and properly positioned, so you can stay in control at every turn.

Premium Details - Durable Design - Enhanced Ventilation
Designed to Excel
Weighing only 360g (Size M), this helmet is packed with premium upgrades like extended hard-shell coverage, superior ventilation, and an ergonomic design, ensuring it¡¯s as ready for the trail as you are.

Feature | Details |
---|
Impact Management | Mips Evolve |
Construction | Fusion In-Mold polycarbonate shell |
Visor | 3-Position adjustable |
Fit System | Float Fit with Fidlock Magnetic Buckle |
Weight | 360g (Size M) |
Certification | Complies with US CPSC Safety Standard |
Size Guide
Size | CM | IN | HAT SIZE (IN) |
---|
S | 52-56 | 20 1/2'¨C 22' | 6 1/2'¨C 7' |
M | 55-59 | 21 5/8'¨C 23 1/4' | 6 7/8'¨C 7 3/8' |
L | 58-62 | 22 3/4'¨C 24 3/8' | 7 1/4'¨C 7 3/4' |
XL | 61-65 | 24'¨C 25 5/8' | 7 5/8'¨C 8 1/8' |












