Taillight Assy, after-market. 12-volt If you have a K1 you will also need a 6-volt taillight bulb. Part # 48. This is part of our recent warehouse find, very nice Complete taillight assembly for the CT70 K1, CB175 through CB750. Heavy duty construction, very nice chrome plating on the backing plate as well as exact reproduction taillight lens. These are Vintage taillight assemblies and one look you can see the quality of this piece. High quality piece at a bargain price.