SIAECOSYS QS 273 4KW V3 E-BIKE SPOKE HUB MOTOR WITH SVMC72200 CONTROLLER

For 273 4kW Electric bicycle conversion kit, it could be used for high power electric bike, which could be 72V 100KPH.

e.g. Electric high power bike

E-bike weight, approx 47kg+80kg

Tire diameter: 2.50-19

Top speed: 72V 100km/h

Climbing slope: 25°@127kg

Battery: 72V40h lithium battery

One set including below kits

1. 1pc X QSMOTOR 4000W 273 40H V3 Electric Bike Spoke hub Motor

2. 1pc X SVMC72200 controller

3. 1pc X Bluetooth adapter

4. 3 speed twist throttle

Key features

1. QS Motor with high quality and service.

2. Sine Wave controller, Bluetooth wireless connection are optional, Highest Reliability!

3. Parameter Programmable

4. Higher Torque & Higher Efficiency

5. No noisy

6. Temperature sensor inside and Lower overheating

7. Regenerative braking

Product description

Item: QSMOTOR 4000W 273 40H V3 electric spoke hub Motor

Genearl Specification

Motor Type: BLDC Outer Rotor In-Wheel Hub Motor With Hall Sensor

Brand: QS Motor, QSMOTOR

Motor Design: Double axle without moped rim (integrated), 36 spoke holes, OD 4.2mm

Matching Rim Size:  17inch, 18inch, 19inch moped wheel

Magnet Height: 40mm, 16 pole pairs

Stator: Aluminum Core

Rated Power: 4000W

Speed: 72V100KPH.

Work Voltage range: 48V-96V, it will be 72V as default.

Max Torque approx 266.0N.m

KV: 17.2/15.13/13.33/10.97

Thermic Probe: KTY83-122 (as default, optional)

Max Efficiency approx 84%

Working Temperature: 70-120℃ , peak 150 ℃

Brake type: Disc brake (as default), PCD6*44mm for bicycle

Drop-outs/Rear fork Width for installation: 152mm

Dual Halls with waterproof connectors(One for using, one for spare)

14mm english thread length for single/3 speed freewheel

10mm axle flats

16mm² Cross Section of Phase Wire(not including insulation layer)

Waterproof Grade: IP54

Color: Black (As default)

N.W/ G.W: 17.5kg/18.5kg

Dimension Drawing:

• QS 273 152mm drop-outs e-bike spoke hub motor

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.

2. Sabvoton 72200 motor controller 

1). Sine wave controller, programmable, with regen function

2). DC Current Limit: 200A

3). Max. Phase Current: 450A

4). Protect Phase Current: 550A

5). Battery Voltage: 24V-72V rated, Max. 95V

6). Including one controller

7). Controller size: 283mm*147mm*62mm    

8). Net weight: 2.2kg

9). Default including bluetooth adapter.

10). Default function: Hall, Throttle, Electric brake, High Brake Level, speed switch

3. Three speed twist throttle

Application for QS electric spoke hub Motor