A headlight built specifically for EBikes with 6V or 12V motors, delivering up to 1850 lumens powered directly by your EBike system \n Drawing power directly from the EBike’s battery means unlimited runtime and one less device to charge \n Not compatible with external battery power \n Lightset includes: X2e light head, remote, Shimano motor connection cable, 31.8/35mm bar mount, universal light mount \n Cables for Bosch, Bosch Gen5/Smart System, Brose, and TQ sold seperately