S-25 BAY15D 12V 21/5W Brake Bulbs. This part might fits these types of vehicles: (1)50cc, 70cc, 90cc, 110cc, 125cc, 150cc, 200cc, 250cc, 260cc, 300cc, 400cc, 500cc ATV, Dirt Bike, Go Kart, Scooter, Pocket Bike, Chopper. (2)33cc, 37cc, 39cc, 43cc, 47cc, 49cc 2 Stroke ATV, Dirt Bike, Go Kart, Scooter, Pocket Bike, Chopper.