... small size 2,material: magnesium alloy 3,li-battery 36V, 7/8/9/10 A MATERIAL:magnesium ... , with tenacity.4,A NEW DESIGN AND PERFECT CRAFTWORK, WHICH BROGHT THE BIKE FASHION APPERANCE.5, LITHIUM BATTERY, ... 36V 7 -- 10AH.6,BRUSHLESS MOTOR.7,FOLDABLE AND PORTABLE, CANE BE PUT INTO TRUNK Magnesium alloy electric Foldable Bike with ... lithium battery