China Bike Electric Assisted Mountain Bike Leopard X 27.5", 43V 500W 10.5ah Samsung Cells Aluminum 6061 Middle Motor EU: 25km/H Us: 45km/H, Find details about China Ebike, Electric Bike from Bike Electric Assisted Mountain Bike Leopard X 27.5", 43V 500W 10.5ah Samsung Cells Aluminum 6061 Middle Motor EU: 25km/H Us: 45km/H