Tipping the scales at just 60 grams, it would be tough to find a light this useful that is as svelte the Dayblazer 550. Combining a focused beam for your commute home after dark and plenty of eye-catching pop to keep you visible during the daylight hours, this light is still small enough to forget you even have it with you. The DB 550 also features a tool free mounting bracket that will fit bars from 22.2-34mm bars with ease. Small, powerful 550 lumen front bike light Focussed beam for superior daytime visibility Handlebar or helmet mount (helmet mount sold separately) IP-67 waterproof 3-hour USB charging Lithium ION battery Osram 3737 LED 60g