QS 12inch 5000W 260 45H V4 72V 90KPH conversion kits with kelly sine wave controller

$910.07 / Piece | 1 Piece (Min. Order)
72V90KPH 60V69KPH 48V65KPH
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Depends on the order quantity.
Lead Time:
20 day(s) after payment received
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Quick Details
Place of Origin:
Brand Name:
Model Number:
BLDC Motor
Electric scooter/motorcycle
Gearless motor
Permanent Magnet
Protect Feature:
Continuous Current(A):
Motor Manufacturer:
Taizhou Quanshun (QS) Motor Co., Ltd.
Out Rotor In-Wheel Hub Motor
Max. speed:
Black, White, Golden
DIY, Two Halls, High-Efficiency

Packaging & Delivery

Selling Units:
Single item
Single package size: 
43X43X43 cm
Single gross weight:
38.0 kg
Package Type:
QS Standard export packing 1. polyfoam + carton box 2. Or according to customer's requirements
Picture Example:
Lead Time :
Quantity(Piece) 1 - 1 >1
Est. Time(days) 20 To be negotiated

High speed 72V90KPH QS 12inch 5kW V4 In-Wheel Hub Motor conversion kits


It's QS electric In-Wheel Scooter Hub kits, suit for electric scooter 72V 90km/h, rear tire size 130/70-12.



One set including below kits

1. 1pcs X QS 12*3.5inch 5000W V4 BLDC E-Scooter In-Wheel Hub Motor

2. 1pcs X QSKLS7250H sine wave controller

3. 1pcs X CT-22 Display

4. 1pcs X Full Twist Throttle With Voltage Display And Ignition

5. 1pcs X Adelin disc brake system


Price details

Total products amount = US910.07usd

Final amount after discount = Total products amount * 0.96 + shipping cost to your country

Good using feedback will get discount coupon USD5.0.



Key Features

1). Simplify to make a electric-scooter. Gearbox, transmission shaft, clutch are no need. Which save space.

2). It could be installed in the rear to save more space for battery.

3). Support regenerative braking

4). High efficiency: 85~92%   



Product description

1. QS 12*3.5inch 5000W V4 BLDC E-Scooter In-Wheel Hub Motor

  • Motor Type: BLDC Outer Rotor In-Wheel Hub Motor With Hall Sensor
  • Brand: QS Motor, QSMOTOR
  • Motor Design: Double axle with 12inch moped rim (integrated)
  • Rim Size:12x3.5inch(Narrow Tire as default), matched tire:130/70-12 etc       
  • Magnet Height: 45mm, 16 pole pairs
  • Stator: Aluminum Core
  • Rated Power: 5000W
  • Speed: 72V90KPH/60V80KPH/48V65KPH as default
  • Work voltage option: 72V/60V/48V
  • Max Torque approx: 224.0N.m
  • KV: 16.45
  • Thermic Probe: KTY83-122 (as default, optional)
  • Max Efficiency approx 88%
  • Brake type: Disc brake (as default), PCD3*80mm-M8, CB 58mm
  • Drop-outs: 200mm
  • Dual Halls with waterproof connectos(One for spare, in case of damage)
  • 16mm² Phase Wire
  • Waterproof Grade: IP54
  • Color: Black (As default)

Test report:

Motor Drawing:

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. Kelly QSKLS7250H sine wave controller

Genearlly Specification

  • 1. Sine wave controller, programmable, with regen function                 
  • 2. Motor Current Limit, 20 seconds: 400A
  • 3. Motor Current Limit, continuous: 160A                                                               
  • 4. Thermic Probe: KTY83-122                                                                
  • 5. Including one controller + USB convertor cable + matched plug                
  • 6. Controller size: 288mm*148mm*94.5mm                                             
  • 7. Net weight: 4.5kg                                                                          
  • 8. Waterproof IP66                                                                                     
  • 9. Default not including bluetooth, waterproof(those function are optional); Can support can-bus
  • 10. Work voltage: 18V~90V; Rated voltage: 24V~72V

3. CT-22 Dispaly

4. Full Twist Throttle With Voltage Display And Ignition

Item: Full Twist Throttle With Voltage Display and ignition

1.Color: Silver
2.Applied controller voltage: 12v-99v
3.Number of core cable: 5
4.Type of switch: Full twist, with meter and key
5.Net weight: 0.33kg
6.Inner diameter of throttle:  22mm

5. Adelin disc brake system

We're able to supply brake assembly, include master cylinder, brake hose, disc brake disc, Conversion bracket, Caliper...etc.

Application for 12inch E-Scooter in-wheel hub motor

A note to client:

1. Please contact seller confirm the parameter, otherwise we will produce as default.

2. Please extended 15 days more at least for order prepare when motor no in stock. (Most of motor is customized based on application, without in stock).

3. When place order please leave email address, for seller provide manuel.

4. Please read manuel careful before woring motor and controller, and if meet problem please contact seller in time, and don't disassembly cargo without seller permit, otherwise there will be no warranty.

Frequently Asked Question

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.


Payment Term

Wire Transfer/TT, Money Gram,Western Union, Paypal 100% in advance(for sample) 
Generally, we perefer T/T, Money Gram,Western Union 100% in advance (for sample). 
Meanwhile, we could also accpet paypal. There will be extra cost for transaction fee: Total cost*4.4%+0.3

Withdraw fee: USD 35.0 (We could bear USD 35.0).
For Mass Production, we support 30% T/T in advance + 70% T/T the balance before shipment.

Produce Time

For normal motors, e.g. e-scooter motor, e-motorcycle, it takes 10-12 business days (6 business per week).
For customzide motor & single shaft motor, it takes 15-16 business days.
In busy season,  the order might be postponed. For mass production, the produce time will be increased accordingly.
PS. For the 3000W 205 50H V3 spoke hub motor, we made some 24*5T & 30*4T motor in store.

Standard export packing 1. polyfoam + carton box (for sample) 2. Or according to customer's requirements


QS Motor Manufacture

Certification: Business License, Patent Certificatie, ISO9001 Certificate,CCC Certificate, CE Certificate, Brand Certificate.



No QS Motor, No Super EVs!