QS138 90H 72V IPM PMSM Mid Drive Motor


This motor is perfect for medium to large size electric motorcyles. With its extra long body compared to the 70h model you will be able to achieve a higher torque and power. This Combo is capable of over 15kW! 



1pc X QS 138 4kW Mid drive motor (tapered shaft with key) with 14T 428 sprocket

1pc X EM-150 QS Controller


Key Features 

  • Light weight and small dimension compared to other motors of similar power outputs
  • V configured rotor design allows for higher RPM with flux weakening
  • High Torque suitable for high performace high load situations such as climbing and racing.
  • Supports regenerative braking
  • Proven reliability

QS138 90H (4000w) EM-150 Combo

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