Applicable Model: High quality electronic components. Avoid overcharge and improve rechargeability. for CB-1 (CB400FM) (NC27). Please check the following models and year before purchasing. Fast Heat Dissipation: The Motorcycle Rectifier can avoid battery overcharging and increase charging capacity. The heat dissipation effect is better, the heat sink has better heat dissipation effect, and the service life is long. High-quality materials: The voltage regulator rectifier is made of high-quality materials, has no odor, is not easy to age, deform and get wet, prevents mildew, has a stable size, does not tremble, and is not easy to damage by collision. Light volume, high hardness and longer service life. Professional manufacturing: stable characteristics and high reliability. Factory uniform standards, fine molds, professional manufacturing, CNC edging and cutting, perfect size, each piece has been strictly controlled. You can buy with confidence. Service: We are responsible for the products in the store. If you have any questions about the quality of the product, please contact us in time. We will try our best to reply you within 24 hours. Help >> Need more help >> Contact us at the top of the page and select Chat Customer Service.