It’s been a while since we’ve heard from 6D helmets, but after four years in the making, their new Alterra Enduro helmet is ...

D has a new lightweight, full-face, enduro helmet called the Alterra.

This helmet comes with quite a few perks and a ... Weighing just 10 g, the Mic Mini includes omnidirectional audio capture, noise cancellation, and long-range transmission up to 400 m.