New in box ★Reliable and High Performance – 500W high speed motor output continuous super strong power. Aluminum alloy electric mountain bike frame. High performance hydraulic disc brake with electric cut-off function. 26*2.4” tires ebikes provide effective grip for both off and on-road riding . ★Speed and Range : Max speed : 28 MPH (45KM/H). Range of PAS model: 25-30 miles (40-48km) , Throttle model : 38-43miles (61-70km). (Performance-based Spec may vary according to rider weight, riding style, terrain, and other factor.)The 48v ebike battery of this ebike is removable that can be charged on or off the frame easily , 6 hours charging time from 0 to 100%, you can also buy spare batteries in our store and use it alternately with the standard battery. ★PAS and Throttle : Intelligent ebike controller, 5 levels pedal assistance help you ride easily on different terrains. , you can also use the twist throttle only(without pedaling)，easy to operate and versatile to control, great ebiks for adults. ★Comfortable Configuration: Bike electric with high quality ebike kit,the front suspension fork and center shock absorber can effectively filter road bumps. equipped with Shimano 7 speed shift gear, color LCD screen display a variety of information, charging function phone holder , Cruise Control ，Uphill Propulsion Assistance,etc.