BAFANG MOTOR - Equipped with BAFANG's 350W Brushless Motor, which has a strong and efficient power can produce a top speed up to 20 mph, and it provides overheat protection at the same time THROTTLE & PEDAL ASSIST MODE - If you want to simply cruise along or not pedal, just engage the throttle. If you enjoy pedaling and want to a more intuitive e-bike then go for the pedal assist mode. The more pedaling, the longer the range and the greater the speed FRONT SUSPENSION & DUAL DISC BRAKE - The front suspension fork on this bike helps to provide a smoother and more comfortable riding experience. Durable aluminum alloy frame and mechanical disc brakes provide more durability and safety SHIMANO 21-SPEED GEARS - Equipped with 21-speed gears to help you tackle various terrains. Once you learn to master the gearing of a 21-speed bike, you'll be able to enjoy longer rides that leave you less tired GENERAL RANGE - measured when it is no wind and at 68℉, the ebike fully charged to ride at a even s