Giro Aerohead Mips Helmet - Matte Black Apollo It works on all 6-13

It works on all 6-13 speed chains

They allow optimal movement

longer bearing life

and reliable in all riding conditions

Giro Aerohead Mips Helmet - Matte Black Apollo It works on all 6-13The Aerohead Mips helmet was designed in the wind tunnel, tested on the track, and has been proven with record breaking times at the Tour de France and Ironman World Championships. Features Hardshell with In Mold Hardbody Lower Wrap: The two piece shell combines a tough outer hard shell with a polycarbonate lower shell permanently fused to the liner for durability without excess weight. Integrated MIPS Brain Protection System: All Giro helmets are