Features1Applicable Model: Specifically designed for the MI4PRO model, ensuring seamless compatibility and easy installation for a hassle free upgrade. 2Powerful Designed: Powerful 36V 400W electric scooter hub motor for enhanced performance and efficiency. 3Stable Performance: High torsion design ensures strong and reliable performance, low power consumption, long driving distance. 4Solid Construction: Durable aluminum alloy construction provides long lasting durability, while the tough wheel tire design ensures optimal traction. 5Smooth Riding: Equipped with pneumatic tires for a comfortable and smooth ride, absorbing shocks and vibrations for a more enjoyable experience.SpecificationItem Type:ElectricScooterHubMotorMaterial:Aluminium alloyPower: 400WVoltage: 36VApplicable Model:Fits forMI4PROPackage List1 xElectricScooterHubMotor