The Proviz Sirius front bike light is designed to give you stunning high performance for on and off road use. With a maximum output of 600 lumens and 5 different lighting modes, this is a highly versatile light that can fulfil all of your needs. We use Samsung Lithium-ion rechargeable batteries to give you the most reliable charge over and over again while the high spec, American designed Crysta-Lite lens ensure the perfect anti-glare beam for the world renowned CREE XD16 LEDs to give you exceptional beam in all circumstances of use.