40km h 27 5 inch electric bike

{"cid":"91148789","title":"OEM Factory Price M722 27.5 Inch Mountain E Bike 500W 750W E Bike EU Stock 48V 15AH Lithium Battery Electric Bike","imgUrl":"https:\/\/img.chinax.com\/nimg\/c6\/cd\/df66ed26be22853647ba5b2700f2-200x200-1.jpg","attrs":{"Price":"$391-421","Model Number":"M722(Female)","Minimum Order Quantity":"1","Place of Origin":"Guangdong, China","Gears":"7 Speed","Range per Power":"> 60 km","Frame Material":"High Carbon Steel","Wheel Size":"27.5\"","Max Speed":">50km\/h","Voltage":"48 V","Power Supply":"Lithium Battery","Braking System":"Hydraulic Disc Brake","Torque":"90-100 Nm","Charging Time":"5-5.5h","Motor position":"Rear Hub Motor","Battery Position":"Down Tube","Packaging":"50","Battery Capacity":"15AH, 15AH","Tire Width":"27.5\"","motor":"Brushless","Type":"Mountain Bike, adult electric bike","Battery":"Lithium Battery","Age Group":"Adults","Brake":"Hydraulic Disc Brake","Motor Power":"500W-750W","Battery Type":"Lithium","Motor Type":"Brushless","Power Source":"Lithium Battery"}}