QSmotor 273 4000w hub motor ebike motor

  • $535.00
Tax included.

The QS4000w motor is Disc brake with rated 4000w power and MAX7000w power,speed range from 32km/h-120km/h.With single speed freewheel 154mm open size.Has 2pcs hall sensor connectors one for normal use another for backup.

 qsmotor 4000w


Voltage(DCV) Rated 72V(can use voltage range 48V-72V)
Wattage(W) 4000W/MAX7000W
Speed(Km/h) 32km/h-1200km/h
Torque(N.m) 185
Weight(Kg) 18
Currenct 55Amp rated,MAX80Amp and Peak111Amp(72V)
Brake Disc brake
Open size(mm) 152mm
Wire diameter 10mm²
Stator holder material Aluminium
Spokes 3.4mmx36 spokes
Position Rear
Hall sensor Dual with 1pcs use and 1pcs backup
Magnet width 40mm
Stator size 273mm
Magnet type 32pcs 4mm curved magnets SH 150° degree heat resistance
Freewheel Single speed/3S
Brake Disc brake
Working temperature Inside motor max working temperature 70°-120°
Motor Cable Standard high power connector 3+5wiresx2
Temperature sensor Optional default KTY83/122


qsmotor 273 4000w


 qs motor 4000w spoke

28x6T 300RPM  72V

45x4T  550RPM  72V 

55x3T 753RPM  72V 

65x3T 850RPM 72V 



qsmotor 4000w size


The V3 turbo QSmotor is supplied with curved magnets 32pcsx4mm which efficiency up to 88%,with enhanced motor wires(10mm²) and high temperature resistance winding the motor can burden 111Amp max current,what's importantly that the QSmotor can used with wide range voltage from 48V-120V without influence the motor performance.

Dual hall sensor

qs motor 6000w

Paking dimension:42cmx42cmx33cm

Motor cable length L1=800mm-1150mm.Leadtime is about 7-12 working days for production.

With a powerful torque and speed,durable quality this motor is very suitble for mountain climbing,racing.

Tips you want to know:

About shipping,we will process your order when payment is done,delivery option would be standard Fedex/TNT/UPS according to your country address,the door to door shipping time is about 6-7 days.The default shipping address would be the bill address,please leave a correct address and telephone number when check out.

About warranty,our products do 1 year warranty for customers,if there are issue parts due to our products quality cause we will resend spare parts for free.