utf8 Best-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kits | QSMOTOR

Best-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kits

Price:US $505.00/piece
N.W.:23.19kg
G.W.:32KG
Dimension:70cm*39cm*25cm+51*48*37.5cm
Production Period:40 business days
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  • Best-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kits
  • Best-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kits
  • Best-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kits
  • Best-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kits
  • Best-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kits
Description

QS Motor 2000W 120 70H electric bike mid drive motor assembly kits

 

 

For 120 2000W mid drive motor kit assembly, it could be used for electric scooter, electric motorcycle.

It could be 72V 70KPH, only avaiable for 12inch wheel kits (We might make bigger wheel & more powerful motor in near future.).

 

 1. Production Description

QS Motor Specification:

  • QS Motor 2000W 120 70H Mid Drive Motor
  • Motor Type: BLDC Permanent Magnet Inner Rotor Motor With Hall Sensor
  • Brand: QS Motor,QSMOTOR
  • Motor Design: Single axle 
  • Matched Wheel: 12inch Wheel (as default)
  • Magnet Height: 70mm, 40pcs, 5 pole pairs
  • Diameter of stator: 120mm
  • Rated Power: 2000W (peak power, pending) 
  • Rated Voltage: 72V as default
  • Speed: 70KPH 
  • No-load rpm: 2800rpm without flux weakening, 4400RPM with flux weakening.
  • Max Torque: 216.7N.m (with Reduction ratio 1:4.77)
  • Reduction ratio: 1:4.77 (as default)
  • Max Efficiency: 89.2%
  • Continuous Battery Current: 35A (72V)
  • Peak Battery Current: 60A (72V)
  • Suggest Peak Phase Current: 250A
  • Thermic Probe: None as default (KTY83/122 is available for mass prodution).
  • Working Temperature: pending
  • Single Hall Plate with waterproof connectors
  • 8mm² Cross Section of Phase Wire (not include insulation layer)
  • Hall Sensor Phasing angle: 120 degree
  • Waterproof Grade: IP54
  • Color: Black 
  • N.W./G.W.: 7.8kg/9.1kg   Package Dimension: 34cmX34cmX33cm

Controller

LD EM100 18 MOSFET

 

The Kits include as below.

  • 1pc QS 2000W Mid Drive Motor with Left/Right fork 
  • 1pc LD EM100 18 MOSFET, SINUSOIDAL WAVE BLDC MOTOR CONTROLL (customized)
  • 1pc Rear synchronous belt wheel 
  • 2pcs Decoration cover
  • 1pc Rear axle with screws
  • 2pcs Adapter
  • 1pc Synchronous belt
  • 1pc 12inch Aluminmun wheel
  • 1pc fender
  • 1pc Belt shield 
  • 1pc Belt side shield 

For the pakage, we will pack in two carton with wooden support.

70cm*39cm*25cm, 20kg

51cm*48cm*37.5cm, 12kg

P.s.: Not Include Disc,Brake callipers & Tire (it will be apprx $88.0 more). 

QS Motor 2000W 120 70H electric bike mid drive motor assembly kits

QS Motor 2000W 120 70H electric bike mid drive motor assembly kits


Drawing

Best-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kits

QS Motor 2000W 120 70H electric bike mid drive motor assembly kits

 

2. How to find suitable hub motor

To customized a suitable motor, could you pls. inform below points: 

  • 1.E-scooter, E-tricycle or E-car, tire model? 
  • 2.Volt and wattage of motor, Speed(kV), and torque/climb angle ?  
  • 3.Your vehicle weight and loading weight?  
  • 4.Lithium or lead-acid Battery?  

 

After confirming the motor, we could try to offer suitable motor kits. 

Motor matched Controller

Battery

Charger

Speedometer

Throttle

Brake System

DC-DC converter, etc.

 

3. Comapny Information

Best-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kitsBest-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kits

 

 6. FAQ

Q1. Are you trader or manufacture?

A: We're manufacture.

 

Q2. How long is your production time?
A: Generally, the production period is 12-14 working days(6 working days per week).

The specific delivery time depends on the items and the quantity of your order.

Q3. How long is your warranty time?

A: For motor, the warranty time is one year and three months. For other parts, the warranty time is one year.

 

Q4. About Customs Clearance

For some special countries with strict customs for import, so pls. confirm it firstly to us that you have ability to do customs clearance, otherwise we will not take on heavy responsibilities for this issue, return money and goods are not support.

Special countries list:

Argentina, Brazil, Egypt, Turkey, Iran,Portugal,Romania, Kazakhstan, Ukraine, Yeman etc.

Some countries name not listed, the salesman will inform you in time if you placed the order online directly. Thank you for your understanding.

 

05. Does your products with CE certification?

Yes, our motor with Certification (CE, CCC), and our factory with certification of ISO9001, TS86949

Best-selling QS Motor 2000W 120 70H electric bike mid drive motor assembly kits

 

 

Test Report/Performance Curve

QS Motor 2000W 120 70H electric bike mid drive motor assembly kits

 

Appication (e.g. E-Motorcycle M6)

SPEC

Motor: 120 2000W Rated Power, 72V 2900RPM without flux weakening.

72V 4500RPM with flux weakening.

Ratio: 1:4.7

Wheel: 12inch

Speed: 70KPH

Battery: 72V 33Ah Lead-Acid Battery

Range: 30km@70KPH, 120km@30KPH

G.W. 135kg, not include controller & battery.

 

Combo A, not include battery & Charger, USD 1458.0

Combo B, not include controller, battery & Charger, USD 1398.0

Payment Term: Only accept 50% TT,Western Union, Money Gram in advance for deposit, balance should be paid before shipping. 

Delivery time: 23 -25 business days after receiving deposit (6 business days per week).

Not support on-line sale.

For details, refer to the hyperlink.

QS Motor 2000W 120 70H electric bike mid drive motor assembly kits 

 

 

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