1.48V, 750W brushless power motor, 12AH battery , 8 speed shift gear . 2.Two assistance mode : pedal assistance and throttle assistance switch freely, 5 levels assistance. 3.Front suspension fork and center shock absorber. 4.Multifunction color LCD screen, charging function phone holder. 5.Hydraulic disc brake with electric cut-off function, front 203mm, rear 180mm disc. 6.6061 aluminium frame , TIG welding, YS paint. 7.Compatible with 20*4.0 fat tires. ★Reliable and High Performance – 750W high speed motor output continuous super strong power. Aluminum alloy electric mountain bike foldable frame. High performance hydraulic disc brake with electric cut-off function. 20*4.0” fat tires ebikes improve riding stability. ★Speed and Range : Max speed : 28 MPH (45KM/H). Range of PAS model: 46miles (75km) , Throttle model : 34miles (55km). (Performance-based Spec may vary according to rider weight, riding style, terrain, and other factor.)The 48v ebike battery of this folding 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 , 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. AUTO headlight lights up automatically when the environment in low light or dark conditions , equipped with 8 speed shift gear, color LCD screen, charging function phone holder , Cruise Control ，Uphill Propulsion Assistance,etc. ★Foldable : This folding electric bikes easy to fold and carry in SUV or Pickup truck . Whether commuting to work, weekends or holidays, this electric bikes for men and women can provide you with a convenient and comfortable riding experience, enjoy your weekends and holiday with this fun ebike.