Friends, Do you want to convert your old petrol bike into Electric Bike?
Then according to me it is the best way of converting into EBike. To make this happen I have used a 48V 750W Brushless Motor with a similar controller. To power the system a 48V 30Ah Lithiumion battery pack.
To get higher RPM I have removed the gearhead coupled with the motor and connected it with the engine crank shaft.

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If you want to buy these extra items follow the link below:
https://amzn.to/39vImxK