20" Folding Electric Bike - TDN20Z Alloy frame Susp.fork Aluminium handlebar Lithium -ion battery 20" Folding Electric Bike - TDN20ZElectric Assist System SensorLiShui, ES-02, 1: 1intelligent Speed Sensor DisplayJiaTe, ED-02, LED Three modes Motor8-FUN, Rear, 250 Watt, Brushless ControllerLiShui, EZ-02, 36V/250W, EN-15194 approval BatteryPhylion, Lithium 24V/10 Ah Charger: SanShi, Li-ion battery ...