... :magnesium alloyFOLDING SIZE640X280X810mmEXTENDED SIZE1255X490X1090mmWEIGHT≤23kg (including battery)MAX LOAD 75kgWheel SIZE300mmbrakedrum brakeFULL CHARGE INDURANCE ≤70kmBATTERY lithium battery : 36V, 7Ah/8Ah/9Ah/10AhPOWER 180WMAX ... CORROSION, ANTIQUAKE, with tenacity.4,A NEW DESIGN AND PERFECT CRAFTWORK, WHICH BROGHT THE BIKE FASHION APPERANCE.5, LITHIUM BATTERY, 36V 7 -- 10AH ...