3000W Max 6000W Speed QS138 3000W 70H 6000W Max Continuous 72V 100KPH Mid Drive Motor Conversion Kit With SIAYQ72180 Controller

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: continuous 100km/h
Gear ratio: 1:2.3*3 (double steps transmission )
Climbing slope: 30°@208kg
Battery: 72V52h
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)  

  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.

1.1pc X QS 138 3kW Mid drive motor with belt
2.1pcs X SIAYQ72180 sine wave motor controller with LIN
3.1pcs X SIAYQ bluetooth adapter
4.1pcs X DKD LCD speedometer with LIN
5.1pcs X Z6 throttle with combination switch

 Product Description 

1. QSMOTOR 138 3000W V1 Mid Drive Motor

Dimension Drawing:

138 3kw V1

Test Report:

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

2. SIAYQ72180 sine wave motor controller with LIN

SIAYQ 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. DKD LCD speedometer, can-bus(Optional, LIN as default)

Key Feature

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. 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!