CMSBIKE F16 Extra Battery Set 36V 7.8AH 250W Black 16 Inches Folding Electric Bicycle 20km/h 65KM Mileage Intelligent Variable Speed System With An Extra Battery
CMSBIKE F16 Extra Battery Set 36V 7.8AH 250W Black 16 Inches Folding Electric Bicycle 20km/h 65KM Mileage Intelligent Variable Speed System With An Extra Battery