Overview A4477/4872 Motorcycle Replacement Bulb: Description: This bulb is an incandescent 12 volt, 18/6 watt, tailight. 2 per package A4477/4872 Motorcycle Replacement Bulb Custom Field Product Reviews Write a Review Write a Review × A4477/4872 Motorcycle Replacement Bulb Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *