8KW mid-drive motor top speed 60km/h, 

Sprocket: 14T Freewheel #410

48~72V  8kW

• Max speed 900Rpm
  * Rated speed 800Rpm
  * Rated output 6kW
  * Max output 8KW
  * Rated Torque 130Nm
  * Max Torque 200Nm
  * Rated Amp 80~100A
  * Insulation class E class
  * Driver: External Driver
  * Control method PWM
  *Ambient temperature -15C~40C *Efficiency: 97.6%