100kph QS 3000w electric bicycle mid drive kit for dirt bikes

100kph QS 3000w electric bicycle mid drive kit for dirt bikes

For 138 3000W mid drive motor kit assembly, it could be used for electric light 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

Kits including

1* QS Motor 3000W 138 70H Mid Drive Motor(There is no bracket on the motor)

1* 428 14T gear

1* Voltol EM 150SP(Can support CAN-BUS)

1* Multifunction throttle

1* DKD speedometer(Can support CAN-BUS)

Key Features

1) Light weight and small dimension compare to hub motor 

2) High performance benefit from flux weakening

3) High effeciency during climbing, and better acceleration  

4) Support regenerative braking

Product description

1. QSMOTOR 138 3000W PMSM IPM mid drive motor

SPEC

·Motor Type: PMSM IPM Motor With Hall Sensor

·Rated Power: 4500W (9600kW peak in few seconds) 

·Rated Voltage: 72V

·Speed: 3800RPM peak (basic RPM), 6200RPM peak with flux weakening  

·Max Torque: 45-55N.m peak.

·Max Efficiency: approx 94%

·Continuous Battery Current: 67 A (72V)

·Peak Battery Current: 140A (72V)

·Working Temperature: 70-130℃ , peak 150 ℃ 

·Single Hall Set with waterproof connectors

·Waterproof Grade: IP67

·Cooling: air cool

·Dimension: φ162X210mm

·Phase wire: 17mm²

·Insulation grade: F

·Working system: S9

·Color: Black 

·N.W./G.W.: approx 10.8kg/12.5kg  

·Package Dimension: 34cm*34cm*33cm  

·Axle matched with 428 sprocket, teeth optional 11T, 12T, 13T, 14T(as default) etc.

PS. It can be designed as belt driven and sprocket design (as default ).

Pictures Show

Drawing(for normal)

Controller

Votol EM150SP motor controller with standards CANBUS

Throttle Switches and Light button

Reverse, Parking button( throttle on/off), 3 slide switch gear, s/boost button, Light and Horn.

It match with VOTOL controller well.

Picture  

For speedometer

We will offer DKD speedometer with CAN-BUS(Without CAN as default)

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

PS. The design is similar as Ducati, but it’s electric.

Application

A. Electric dirt bike

B. Electric motorcycle

C. Electric tricycle

Performance Test

basic RPM

With flux weakening

With belt ratio 1:4.77

Please noted: 

Optional appearance, drawing, performance curve/test report are available. 

If you need more technical information, please feel free to contact us.

We will give you reply in 12hours.

How to Recommend you suitable motors? 

Firstly, To customize a suitable electric hub motor for your vehicle, could you please inform the points in below?

1. E-bike, E-scooter, E-tricycle or E-car? 

2. Weight of vehicle with battery, loading weight (weight with load only)? 

3. Tire model/diameter? 

4. Rated voltage and wattage of motor, nominal speed/top speed, and climb angle or torque @ what speed? 

5. Battery nominal voltage, peak voltage, capacity and vehicle range? 

6. What's the drop-outs/rear fork width of your frame?

Within your details information, we could make assessment and calculation accordingly for your project