New QS 138 3KW V3 5500W Max continuous 72V 100KPH Mid Drive Motor Conversion Kit For E-Bike/E-Motorcycle

For 138 motor powertrain kits, it could be used for electric light motorcycle, which could be 72V 100KPH.

e.g. Dirt bike

E-motorcycle weight, approx 128kg+2*80kg

Speed: Continuous 100km/h

Gear ratio: 1:2.35

Climbing slope: 25°@5kph @208kg

Battery: 72V40ah

Tire: 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)  

  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.

1.1pcs X  QS 138 3kW V3 Mid drive motor with 15T 428 sprocket adapter

2.1pcs X EM150-2SP sine wave motor controller with standard CAN-BUS

3.1pcs X DKD TFT Speedometer

4.1pcs X Z6 throttle with combination switch

5.1pcs X EM150-2 vehicle wiring harness (with 1pcs relay, 1pcs flasher, 1pcs DC converter, 1pcs Electric Lock Ignition)

Combo 2.

 Product Description 

1. QSMOTOR 138 3000W V3 Mid drive motor with 15T 428 sprocket adapter

Dimension Drawing:

Test report:

 

Dimension drawing:

Harness Definition(Same for EM150-2 & EM200-2)

2.2. EM200-2SP sine wave motor controller with standard CAN-BUS

Dimension drawing:

3. DKD TFT Display

So it could match with battery even without CAN communication.

It’s not adjustable by user, we will set parameter below as default.

If you need different settings, please contact with sales before delivery.

·Wheel tire size: 130/70-17

·Pole Pairs: 5

·Gear Ratio: 1: 2.5

·Voltage: 72V (20s Lithium battery)

It displays 1, 2, 3, S, R, P, N gears.

Work Voltage: 12V (pls pay attention, black wire(+12V) need to connect with 12V, cannot connect to battery B+, or the speedometer will get damaged)

Key Feature

1.Voltage Power display

2.Speed display

3.Power display

4.Gear display

5.Fault information display

6.Switchable to Night Mode

Dimension drawing:

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.

5. Vehicle wiringharness

One set including following kits:

• 1pcs X 4p 72V 40A Relay
• 1pcs X 72V to 12V DC-DC Converter, 10A
• 1pcs X Flasher
• 1pcs X Electric Lock Ignition(Blue or Silver Color Ship Randomly)
• 1pcs X Vehicle WiringHarness

Pls note: Votol -2 series controller without anti-theft function, so cannot match with one button to start kit, only electric lock ignition

 

 Application for QSMOTOR 138 3KW V3 Mid drive motor