Feature:1. This electric motor kit is suitable for DIY bicycles, tricycles, scooters and skateboards.2. It is easy to use with stable performance, thus has a long service life, a good replacement choice.3. The controller cover is made of aluminum alloy, which can protect the internal circuit,4. Accompanying with good heat dissipation, effectively avoiding thermal overload then damage the device.5. This set including motor, brush controller, 38 link chain, 16 teeth flywheel, electric door lock, key and handle.Specification:Condition: 100% Brand NewItem Type: Motor Controller KitMaterial: MetalColor: As Picture ShownWeight: Approx. 3210.0g/113.2ozModel: MY1025Z2Rated Voltage: 24VRated Power: 250WRated Speed: 2950 RPMGear Ratio: 89.Package List:1 x Motor1 x Brush Controller1 x 38 Link Chain1 x 16 Teeth Flywheel1 x Electric Door Lock2 x Key2 x HandlebarNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.