Originally Posted by
mechBgon
S...make the most your Sette light by ensuring it's aimed dead-level, not tilted down as I often see on customers' bikes.
Basically all lights will benefit greatly from proper aiming. A light drooping off a backpack or saddle bag won't do much good if the large majority of the light is illuminating the asphalt behind the bike or the trees along the side of the road instead of shining in the direction of the traffic behind you.