Light & Motion's Seca 1700 Race Lighting System is so bright it can only be described as solar and it'll turn night to day for all your nighttime trail and road adventures. It utilizes 6 LEDs and custom-engineered reflectors to deliver an astounding 1700 lumens of brightness. The light's lithium-ion battery is specifically tailored for racing and runs for from 1.5 to 15 hours on the 4 available modes. You also get no-tools handlebar and helmet mounts and a quick charger that does its job in only 6 hours. The battery can be frame mounted or carried in a pocket or pack.