... bicycle, lithium-ion or SAL battery ,Front/rear basket -cargo Swing motion system 36V 250W motor It is nice design with ... swing motion system green power 3 wheel electric bicycleModel:KTN-004 3 ... 39.0KGS, G.W:42.0KGSOthersfront/rear lights, LED battery meter, front /rear lights, swing motion system,all color availableDimension1650x550x750mmCapacity39pcs/20ft, 84/40HQ ...