Several factors like shape of helmet shell, vents, direction of wind, speed of riding, whether riding a fully faired or naked motorcycle etc
Think about, turning a larger circle is going to pick up more line per turn than a smaller circle
You do need to create an account and pair your Cardo to your phone and/or your GPS
Then you make your cast by pulling your left hand straight towards the centre-line of your body and pushing your right hand straight forwards to exactly replace the position your left hand was in while you were sighting over it
Or choose a split screen of both of these views
An efficient ventilation setup includes chin, side, top, and back vents, maintaining a steady air circulation that reduces heat buildup inside the helmet