... ,material: magnesium alloy 3,li-battery 36V, 7/8/9/10 A MATERIAL:magnesium alloyFOLDING SIZE640X280X810mmEXTENDED SIZE1255X490X1090mmWEIGHT≤23kg (including battery)MAX LOAD 75kgWheel ... , ANTI CORROSION, ANTIQUAKE, with tenacity.4,A NEW DESIGN AND PERFECT CRAFTWORK, WHICH BROGHT THE BIKE FASHION APPERANCE.5, LITHIUM BATTERY, 36V 7 -- 10AH ...