Bell 4Forty Air MIPS Bicycle Helmets

Integrated MIPS: Integrated MIPS (Multi-Directional Impact Protection System) is designed to reduce rotational forces that can result from certain impacts. By integrating the MIPS slip-plane into the retention system, we are able to reduce complexity and weight for a compact, better-ventilated helmet that fits more closely.

• Integrated MIPS: Integrated MIPS (Multi-Directional Impact Protection System) is designed to reduce rotational forces that can result from certain impacts. By integrating the MIPS slip-plane into the retention system, we are able to reduce complexity and weight for a compact, better-ventilated helmet that fits more closely to the head.
• Float Fit, Fidlock, & No-Twist Tri-Glides: A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS). Fidlock is an easy-to-use magnetic buckle. This time-saving feature slides closed laterally for an effortless, secure fit. With the No-Twist Tri-Glides, quickly-adjust fasteners that help keep straps flat and properly positioned.
• Sweat Guide & Ionic+ Padding: Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear. With Iconic+, quick-drying interior padding helps manage sweat while fighting odor-causing.
• 3-Position Adjustable Visor, Goggle Gripper, and Eyewear Storage: 3-position adjustable visor allows for sun protection and integrates easily with goggles or glasses. Rubber grip on the back of the helmet keeps your goggle strap in place. Easily stash your glasses using the integrated helmet notches.
• Size Specifications: Small (52-56 cm), Medium (55-59 cm), and Large (58-62 cm) Sizes. Important: always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that does not fit can be dangerous.