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.

Crash and bang up your helmet? Don't worry, 6D has the parts. A solid helmet is worth its weight in brain matter. Your brain matter, to be specific. For those that don't know, I was in a bad ...