... and small size 2,material: magnesium alloy 3,li-battery 36V, 7/8/9/10 A MATERIAL:magnesium alloyFOLDING ... LOAD 75kgWheel SIZE300mmbrakedrum brakeFULL CHARGE INDURANCE ≤70kmBATTERY lithium battery : 36V, 7Ah/8Ah/9Ah/10AhPOWER 180WMAX SPEED 20km/hPACKAGE ... WHICH BROGHT THE BIKE FASHION APPERANCE.5, LITHIUM BATTERY, 36V 7 -- 10AH.6,BRUSHLESS MOTOR.7,FOLDABLE AND PORTABLE, CANE BE ...