QS Motor 4000W 273 40H V3 100kph bicycle electric motor/bicycle spoke motor/e-bike BLDC motor

QS Motor 273 Bicycle Hub Motor 4000W V3 110KPH For Electric Bicycle

For this 273 spoke hub motor, the dropout is 152mm, it could be used for electric bike, high power electric bicycle.

273 motor means the diameter of iron ring of rotor is 273mm

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

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: 24inch, 26inch E-Bike Wheel, 17inch, 18inch, 19inch moped wheel
• Magnet Height: 50mm, 16 pole pairs
• Stator: Aluminum Core
• Rated Power: 4000W
• Speed: 24KPH-120KPH, it's customized, genearlly we will design as 72V90KPH(KV12.5 as default).
• Work Voltage range: 48V-96V, will be 72V as default.
• Max Torque approx 266.0N.m
• KV: 12.5/15.6/17.9(optional)
• 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: 150mm
• 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/18.5k

 Product show:

Dimension Drawing

Conversion kits:

Application:

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.

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 manual.

4. Please read manual careful before using motor and controller, and if meet problem please contact seller in time, and don't disassemble 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.

More QS Motor Informaiton:

Optional Appearance, drawing, performance curve/test report are available. Please contact with sales directly.

PS. For delivery cost, please contact with us if it's not reasonable.

We will modify it after place the order on-line (before payment).

When place the order online, please leave the message about the KV and your E-mail address. (For how to choose the KV, please feel free to contact with us. E-mail used for details confirm)

A Positive Feedback and 5-STAR rating from our customers are greatly appreciated.

If there should be any troubles please contact us. Please DO not leave a neutral or negative feedback. The distance is quite far and troubles caused by shipping companies etc. can happen sometimes. In this case please don’t worry. There is always a good solution to solve such situations and we will give our best to help, because we want to keep our valued customers.

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