20" folding electric bike with removable large capacity lithium-ion battery (36v 250w), electric bicycle 7 speed gear and three working modes (white, 20 inch) emdaot <strong>20 inch folding​ electric bike with lithium-ion battery</strong></br> strong brakes, high-strength carbon steel comfort shock absorption and 7-speed professional transmission system offer all the qualities of a premium bike with the added feature of three pedal assist modes. you will get a more stable and comfortable bike.</br></br> <strong>specifications:</strong><br><br> <strong>size:</strong><br> full length: 58.66 inch<br> whole height(from handlebars): 41.34-46.85 inch<br> wheel diameter: 18.7 inch<br> seat height: 27.5-44.5 inch<br>length: 22.4 inch<br>package size: 50x10x24inch <br><br><strong>basic information:</strong><br> vehicle weight: 50.71 lb<br> mileage: 21-43 miles<br> load capacity: 242.51 lb<br> maximum speed: 22-30km/h<br> display: led 3-speed smart meter button (battery power /gear indicator)<br> max gradient: 30°<br> support system: brake power-cut protection<br><br> <strong>details:</strong><br> front fork: aluminum alloy + iron comfort shock absorption<br> tire: anti-slip resistant thick tire<br> back shelf: steel high strength back shelf<br> brake system: front-wheel and rear disc brakes<br> gear shift system: 7-speed transmission system<br> handlebars: aluminum alloy<br> lithium battery: 36v 8ah<br> charger: smart lithium battery charger<br> motor: 250w high speed brushless gear motors<br> saddle tube: aluminum alloy extended seat tube<br> meter: 3-speed smart meter button<br> headlight: bright led headlamp and horn<br> front and rear wheels: double layer aluminum alloy wheel<br> charging time: 4-6 hours<br><br> package content: 1 x mountain bike (with the accessory)