QS90 72V IPM PMSM Mid Drive Motor
This motor is perfect for small electric motorcyles. This is the most compact version of the infamous 138 70h model. If you have a kids bike or a pocket rocket the qs90 might be right up your alley. With a small Diamater of only 4 inches, You can fit this motor in almost anything! Although this motor is tiny it is no slouch! This combo is capable of nearly 5kw!
1pc X QS 90 1kW Mid drive motor (tapered shaft with key) with 14t 428 sprocket
1pc X EM-50 QS Controller
- Light weight and small dimension compared to other motors of similar power outputs
- High Torque suitable for high performace high load situations such as climbing and racing
- Supports regenerative braking
- Proven reliability