Feature:1. Easy to use, and simple operation.2. It is very easy to install and easy to operate.3. Small size, low speed and high torques output, low noise, high reliability and easy maintenance.4. Wonderful conversion accessory for electric bicycle.5. Professional manufacturing, stable performance and high reliability.Specification:Condition: 100% brand newItem type: Electric Bicycle Conversion SetMaterial: metalColor: As picture shownWeight: Approx. 4230g.Package List:1 x 24V250W geared motor for Unite1 x 24V250W controller1 Pair x Speed Regulation Throttle Grip1 x Geared motor bracket1 x Electric quantity horn headlamp 3 in 1 light1 x 38 section chain1 x Two gear electric door lock1 x 16T freewheel1 x 18cm lengthening shaft1 x Connector1 x Charging interface1 Bag x Plastic insert1 Bag x Screw bag1 Pair x Brake leversNote: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.