•Place of Origin:Jiangsu China
•Brand Name:Ristar
•Model Number:RSD-501
•Gears:7 Speed
•Range per Power:31 - 60 km
•Frame Material:Aluminum Alloy
•Wheel Size:20\ 20
•Max Speed:30-50Km/h
•Voltage:48V
•Power Supply:Lithium Battery
•Braking System:Disc Brake
•Motor position:Rear Hub Motor
•Battery Position:Down Tube
•Battery Capacity:21ah
•Smart Type:Sensor Electronic
•Motor : Brushless
•Foldable : Yes
•Color : Customized
•Brake : Disc Brake
•Motor Power : 350W/500W
•Display : LCD
•Frame : 6061 Aluminum Alloy
•Charging time : 4-6 Hours
•Controller : Intelligent Brushless
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