Exposure Toro MK15 Front Light With an increase to 3800 lumens cutting through the dark from the 3 spread-beam LEDs, single track, gravel trails and bike packing adventures have met their match. Lightweight and with the ability to adjust runtimes between 2 and 36 hours, the Toro is the perfect travelling companion. REFLEX Technology automatically provides the perfect output for any change in speed or terrain. Optimised Mode Selector - Various programs in the lights can easily be selected to offer a choice of run times and modes so you can find the right one for your ride, be it an all-night adventure or an intense blast.