Gngelectric supply inexpensive electric bike kits system which allow you
 to convert your own conventional bike into a battery-powered electric bicycle.

Combining Two freewheel

  1.Prepare your bike freewheel and hub.

If the axis is not long enough, you can replace it with our 18cm axis.


2.Screw on the freewheel adapter. 


3.Screw on the new freewheel included in the kit.