Cardo's Packtalk Bold, a helmet-mounted communication system that enables bike-to-bike cross-talk with up to a mile of range Cardo offers next level of Dynamic Mesh Communication (DMC) to improve group-riding communications. If you’re going to ride as a group, you need to be able to communicate with your companions. You won’t be able to hear each other over the sound of the engine unless you don’t mind shouting. Even if you can hear each other, you’d have to be side by side to have a conv...