Bell 4FORTY Air MIPS Helmet - L - Matte Grey - Red - AS-NZS��2063-2008 Standard YGroup_7033738461229 Convertibility: Not convertible between sizes

Convertibility: Not convertible between sizes

So what exactly is the Vorsprung Smashpot

Not compatible with Lezyne's aftermarket mounts

Going the distance with heavy bikes in tow now has an easy solution

Bell 4FORTY Air MIPS Helmet - L - Matte Grey - Red - AS-NZS��2063-2008 Standard YGroup_7033738461229 Convertibility: Not convertible between sizesThe 4Forty Air Mips is equipped with pro level features designed with the privateer in mind. With a sleek new shell and 3 position visor, the benefits arent just visibly rad but functionally significant for increased air ventilation, effective sweat management, and better goggle compatibility. Bell's Float Fit system, built in Sweat Guide, and Ionic+ padding ensure all day comfort, while Integrated Mips and extended hard shell coverage help you stay