QS205 4000W spoke motor kits

QS205 4000W E-Motorcycle Conversion Kits

QS205 4000W Electric Motorcycle Hub Motor Conversion Kits

QS205 V3 4000W Spoke Hub Motor(200mm rear fork spacing)


Motor Specification:

1.    Motor Type: BLDC Hub Motor with Permanent Magnet

2.    Motor design: Double axle out

3.    Spoke hole: 3.4mm x 36pcs

4.    Matching Rim:The motor not assembled with rim yet, can be laced 17-19inch moped rim

5.    Magnet Height: 55MM

6.    Pole Pairs: 16 Pairs

7.    Rated Power: 4000W V3

8.    Peak Power: 7000W

9.    Rated Voltage: 72V( 48-96V Can be optional)

4000W 55h


12.  Max Torque: 200N.M

13.  Max Efficiency: 90%

14.  Continious current:45A

15.  Max current:80A (Peak 100A in short time)

16.  Brake type: Disc brake or Brum brake(Optional)

17.  Rear Fock width for installation: 200mm

18.  Cross Section of Phase wire: 10 mm2

19.  Hall sensor phasing angle: 120 degree

20.  Max. Working Temperature: 70 degree, Peak 120 degree

21.  Waterproof Grade: IP54

22.  Color: Black

23.  N.W./ G..W. : 14kgs / 15kgs



Motor pictures:

205 spoke hub motor -

Motor drawing:

205 200MM


motor wires


Fardriver Controller ND72680

FarDriver 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.

Key Features

1). All the raw materials are imported, using high-performance Moss tube

2). With the aluminum substrate scheme, the Moss tube is laid on the aluminum substrate and then placed on the PCB board

3). Small in size

4). High efficiency, low temperature rise, small running current

5). With self-learning function, excellent commonality

6). The app compatible with Android and Apple

7). With flux weakening function.(The product does not contain magnetism)

Main Specification:

1. Model Number: NS72680 ( Sometimes the series number also print ND72680)

2. Peak. Bus Current: 350A

3. Peak. Phase Current: 680A

4. Working Voltage: 48V/60V/72V

5. Peak voltage: 88V

6. Compatible Motor Power: 3000W-6000W

7. Size: 180mm*118mm*70.2mm



1. The controller colors are blue and black, randomly sent.

2. Controller includes harness, screws, and bluetooth adaptor. ( like the following picture )


Twist Hall throttle for electric Scooter or Electric bike

Wiring Harness

Disc brake kits


Your Name

Your Email

Inquiry Product

Your Message