smart electric bicycle Ultra-light, only 10kg,easy to take to anywhere Pedal assistant (1:1) Photoreceptor LED Light Adjust Smart electric bicycleUltra-light, only 10kg,easy to take to anywherePedal assistant (1:1)Photoreceptor LED LightAdjustable saddle Specification:Weight: 10kg Dimension 138*52*100cmMotor : Thin Permanent Magnetic Motor Half folded size: 134*18*60cm Max. Speed : 20km/hour ...