... and small size 2,material: magnesium alloy 3,li-battery 36V, 7/8/9/10 A MATERIAL:magnesium ... alloyFOLDING SIZE640X280X810mmEXTENDED SIZE1255X490X1090mmWEIGHT≤23kg (including battery)MAX LOAD 75kgWheel SIZE300mmbrakedrum brakeFULL CHARGE INDURANCE ≤70kmBATTERY ... CRAFTWORK, WHICH BROGHT THE BIKE FASHION APPERANCE.5, LITHIUM BATTERY, 36V 7 -- 10AH.6,BRUSHLESS MOTOR.7,FOLDABLE ...