New QS138 90H V3 4KW 7200rpm with 1:2.35 gear box Mid Drive Motor Kits with ND96680 Controller 330A 680A Line Communication for E-Motorcycle

For138 4000W V3 motor powertrain kits,it could be used for electricmotorcycle, which could be 96V120KPH.

e.g. E-Motorcycle

E-motorcycle weight, approx 180kg+1*70kg

Speed: peak 120km/h

Gear ratio: 1:2.46

Climbing slope: 20°@30kph@250kg

Tire: 100/70-19

Aliexpress online purchasing link for this motor:(Click the photo for hyperlink) 

  If you have interested in this product, you can contact with our sales directly.  

  Sales Contact: damon@siaecosys.com  

  Skype: Damon Wong(QSMOTOR)  

  We Chat: +86 18758618893  

 

 Key Features 

1). Simplify to make a electric-scooter. Gearbox, transmission shaft, clutch are no need. Which save space.

2). It could be installed in the rear to save more space for battery.

3). Support regenerative braking

4). High efficiency: 85~92%

One set including below kit

1. 1pcs X QS138 4000W V3 1:2.35 gear ratio Mid Drive Motor with 428 15T sprocket

2. 1pcs X ND96680 Controller

3. 1pcs X Bluetooth(Phone) or 1pcs USB cable(PC)

4. 1pcs X DKD LCD Speedometer

5. 1pcs X YY V3 Throttle

 Product Description 

1. QS 138 4KW V3 mid drive motor

 

Dimension Drawing:

 

Drawing:

 

Harness Definition

 

Bluetooth adapter

 

USB Cable & Software Interface

 

3. DKD LCD Display

It display D N R, P, S gear, and battery current X5/10.

P.s.: If the working battery doesn’t have can-bus communication, then the can-bus speedometer will shows lack of electricity always.

So, we suggest to do the speedometer as Line communication version if client can’t get can-bus battery.

 

4. YYV3 Throttle

 

 Application for QSMOTOR 138 4KW V3 Mid drive motor