NiteRider Lumina?äó 1000 Boost Front Light The NiteRider?« Lumina?äó 1000 Boost is the perfect light for mountain bikers, road riders, adventure riders and urban commuters. Featuring a tried and true handlebar mount, fits up to 35mm, that is sure to remain rock solid whether on the trail or pavement. Double clicking the power button activates Boost Mode, giving you the option to operate your light at 1000 lumens maximum light output! This self-contained light makes use of the IntelliCharge?äó function, which charges the battery twice as fast as the normal charge rate when connected to a higher amp AC adapter. With the new NiteRider?« custom engineered collimator lens, the Lumina?äó 1000 Boost projects a wide and even beam pattern of 1000 lumens!