Helmets with dedicated mounting system for lights, cameras etc.? I have came to the conclusion that headlights work much better **for me** for cycling than handlebar-mounted lights. This is because: * A headlamp illuminates where one is looking, not where the bike is turning towards. * The angle under which the light falls on the trail is much improved. When handlebar-mounted light illuminates the trail, the holes and irregularities look bottomless, making it difficult to select a safe line. Suppose I am considering buying a full-face helmet. Are there models, that are explicitly designed to have a light attached to them. I imagine some kind of rails on the side or in front or on the top. Bonus question 1: recommended way to mount a conventional headlamp (one which people put on their heads) to a conventional helmet (skateboard-type or full-face)? Bonus question 2: any lights, that are supposed to be mounted on the helmet, but their power supply to reside in the backpack?

Pretty much all bike-related lights for helmets are mounted with velcro straps. My mate was riding in full-face helmet with lights on helmet. He had vents on top of the helmet and mounted the lights through the vents. Worked just fine.

We use Light and Motion for "battery in the pack, light on the head" set up.

If you are planning a DH in the dark, I highly recommend have 2 lights - one on your helmet to shine where you are looking at. And another on your handlebars - to put light just in front of the wheel.

You can never have too much light for DH, and even with all the lights you can get, it does not give you the same confidence as with day-light. So take care when you are trying to do that drop you usually nail daytime. In the dark it'll be a whole new territory.