... Susp.fork Aluminium handlebar Lithium -ion battery 20" Folding Electric Bike - TDN20ZElectric Assist System SensorLiShui, ES-02, 1: 1intelligent Speed ... frame, TIG welded W/battery bracket, patented Alloy Latch system ForkZoom, Susp fork, Aluminium crown, steel blade w/ pivot ... 710cm N. W. 25kgs G. W. 30.5kgs 20"GP 130pcs 20" Folding Electric Bike - TDN20Z Verified Information This information ...