21inch 5000w  high power electric wheel hub sensor motor conversion kit with disc brake

♥ Warranty 

motor--->2 years(guarantee replacement in first year, guarantee repair in the next year.)

battery---->1years(guarantee replacement.)

other parts---->half an year 

♥  Kit List

1. High quality DC motor with double hall sensor .  

2.  Aluminium alloy wide motorcycle rims spoke 

3. Intelligent controller 24 mosfets

4. Throttle (with three level button for adjust speed ) 

5. Brake(for both side power off)   

6. Single freewheel 16tooth for bicycle 

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♥ Technical Parameters

♥  Recommand Battery

♥ Components

------------ Motor 

-------- - Controller

---------------Throttle 

 -------------Brake

-----------Single freewheel

----------- Rim (  17" 18" 19" 21" for optional . And the 21" rim diameter is 56 cm, 19" rim diameter is 51cm, 18" rim diameter is 49 cm ) or bicycle rim 26'' )

♥ Package

The Kit offers durability and performance in mind,packed as standard,with 7-floor export carton,main parts packed by EPE enviromentally friendly foam material,all parts are seperated in nylon bag.Strong package avoid damages from long-way shipping

♥ CE Certification