Technology & Features ·10-inch Pneumatic Tire - Strong grip, wear-resisting and safe. It's suitable for different kinds of roads. ·2 Dual Motors Design - The strong driving force, 800W and 2 motors, 85km running distance. ·Disc Brake - Front and back is disc brake, it's much more safe for people to ride. ·3 Speed Modes - You control the speed according to the different road surface conditions, which makes driving more comfortable and riding more security.