See the picture attached, using the Helite with a hump.
The hump is supposedly good for aerodynamics on the race track.
Advantages of the Helite:
The hump is supposedly good for aerodynamics on the race track.
Advantages of the Helite:
Time of inflation: 0.1 s compared to 0.36
Volume inflated: they use the canister we use for children
Shape: we inflate under the helmet and the entire back, not behind the helmet