QSMOTOR QSD138A-70 V1 V2 & ND72660 Conversion Kit 

For 138 70H motor powertrain kits, it could be used for electric motorcycle, which could be 72V 100KPH.
e.g. Dirt bike
E-motorcycle weight, Approx 130kg+2*80kg
Speed: Peak 110km/h
Gear ratio: 1:3.43
Climbing slope: 15°40kph@208kg
Tire: 0.6138 130/70-17

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)  

 What’s app/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

Combo 1.

Combo 2.

1.1pc X QSD138A-70 V1 mid drive motor with belt design
2.1pcs X ND72660 sine wave motor controller
3.1pcs X Bluetooth adapter
4.1pcs X CT-22 speedometer
5.1pcs X Z6 throttle with combination switch

Combo 3.

1.1pc X QSD138A-70 V2 mid drive motor with sprocket design
2.1pcs X ND72660 sine wave motor controller
3.1pcs X Bluetooth adapter
4.1pcs X CT-22 speedometer
5.1pcs X Z6 throttle with combination switch

Combo 4.

1.1pc X QSD138A-70 V2 mid drive motor with belt design
2.1pcs X ND72660 sine wave motor controller
3.1pcs X Bluetooth adapter
4.1pcs X CT-22 speedometer
5.1pcs X Z6 throttle with combination switch

 Product Description 

1. QSMOTOR 138 3000W Mid Drive Motor

Dimension Drawing:

138 3kw V1

138 3kw V2

Test Report:

Type(From left to right, Belt shaft version/Sprocket adapter version/Spline shaft version)

2. ND72660 sine wave motor controller

ND series controller is sine wave type controller, which is brushless DC controller with self-learning function.

Generally, it matches well with QS Motors, if you want to match with new brand motor, some parameters should be tested by yourself.

Dimension drawing:

Controller Software Interface

Adapter Cable

Bluetooth Adapter

3. CT-22 speedometer

Key Feature

1. Speedometer Size: 185mm*90mm*80mm
2. Net Weight: 0.35kg
3. Work Voltage: 48v-120v rated

4. Z6 throttle with combination switch

With Reverse, Parking button( throttle on/off), 3 slide switch gear, s/boost button, Light and Horn.
It match with controller well.

EV Your Life!