Product Name: Hot Sales 24'' Electric Bike External 7speed Disc Brake Electric Bicycle Model NO.: ZL2002F Range per Power: 31-60km Max Speed: 20-40km/h Folded: Unfolded Certification: CE, ISO frame Material: Aluminum Alloy Motor: Brushless Wheel Size: 28" Battery Type: Lithium Battery Battery Voltage: 36V Wattage: 200-250W Trademark: OEM Transport Package: Carton Box Specification: 28inch Product Description frame6061 Light Weight AluminumForkAluminum forkStemAlloy adjustableCrankAlloy 46T*170mmFront BrakeZstar mechanical disc brakeRear BrakeZstar mechanical disc brakeShifterShimano External 7 SpeedDerailleurShimano External 7 SpeedCassetteShimano 14-28T 7 SpeedSeatpost30.9*350MMTireKenda 24*1.95MotorRear AKM 100SX 36v 250WMax speed25Km/hBattery36V 5.8AH Lithium Battery Inner top tubeControllerDigital 36VRange>20Km with Normal PedalingDisplayDigital LCD DisplayIndicates Current Speed,Odometer, Trip Distance, Pedal Assist Level, and battery powerSensorSpeed sensorThrottleN/ALightsFront LED 48VMOQ50PCSFOB CompleteUS$420.00RAW frame only RMB500