... frame Susp.fork Aluminium handlebar Lithium -ion battery 20" Folding Electric Bike - TDN20ZElectric Assist System SensorLiShui, ES-02, ... : 100 kgs Specification Frame Set Frame20" R type folding E-bike, Six speeds, Aluminium frame, TIG welded ... Aluminium crown, steel blade w/ pivot Cockpit HandlepostAluminium, folding adjustable handlepost HandlebarAluminium, T type handlebar, Silver HeadsetSteel, 8pcs ...