... ,disc/drum brake,electric/kick start system HY50QT-2A motorbike belongs to Chongqing New Summit Motor Import ... units of electric bikes.As a large-scale professional motorcycle manufacturer, our business involves in the self-research ... management system certifications. As producing two and three-wheel motorcycle, SUMMIT MOTOR has "ZF", "HUAWIN", "ZF-KY ... , the Middle East and Asia. HY50QT-2A motorbike