Outputting 80 lumens of light at the front and 44 at the rear this bright bike light ensures you are well seen not just to road riders ahead of you but those behind too up to 12 kilometers away with its focused 35deg beam long battery life and 5 different light modes 2 constant amp 3 flash yoursquore guaranteed to light up the path no matter where you ride all night long and its secret weapon 2x front amp 3x rear interchangeable straps so you can swap the lights between bikes