Do you have a mountain bike, or city bike that you wish was an ebike? We are specialists at turning you current bike into an ebike. All of our bikes that we build utilize the Bafang center mount drive system. You can choose between the 750 watt or the 1000 watt model. We use the Bafang drive system because it is the most powerful, efficient, durable motor in its class. There is a reason why Bafang sales over a million ebike motors a year!