PathfinderLED 7443 Ultra Flash Red LED Bulb Honda Gl1800 If you are looking to add safety to the rear end of your bike but don't want to mess with a complicated modulator or wire splicing, PathfinderLED has created the Ultra Flash LED bulbs. These bulbs emit a quick series of flashes when first breaking then stay solid until the next time you apply your brakes. Features Flashing red LED light Fits 7443 applications Flashes when braking then turns solid Ultra-Bright Instant-Intensity LED technology 12V low voltage draw, high performance LED Direct Replacement for stock bulbs Solid-State vibration proof No modulator or complicated wiring required