✨JCSD C91✨ ●20-inch Folding Electric Bike ●Speeds : Electric 7-speed ●Electric Distance：<70km ●Assist Distance：<100km ●Motor parameters: 1000W ●Battery parameters: 48V/15AH ●Shock-absorption: Hydraulic shock absorption and Mechanical shock absorption ●Brakes:Hydraulic Brake...