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FIR Group, leader in design and development of custom motors

FIR is capable of providing your complete package:

  • Direct drive brushless motor as a built-in component inside the rear wheel hub
  • State of the art built-in electronics inside the wheel arm frame
  • Customized aluminum shields based on your design


  • Reverse adjustable speed
  • Power 3,5 kW at 3000 rpm (from 2,5 kW up to 5,5 kW upon request)
  • Autonomy: from 61,155 to 120,701 meters
  • Regenerative braking
  • Power motor booster: steady motor voltage
  • CAN-Bus serial port communication
  • Three different driving modalities (sprint, economy, reverse)
  • Customized solution upon request