Hello, I have a GoldenMotor kit, LIFEPO4 battery, 36VDC with 250W motor (PRO902). I love it, the only problem is that the max speed is about 24-26Km /H.
I can do this much with my road bike.
Would be a problem to buy a 24VDC motor and use it with the 36VDC battery / controller to get more...