Electric bicycle 1000w v2 hub motor kit with 20X2.125inch aluminum drum brake front wheel

Feature

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% 

20X2.125inch 1000W 205 V2 electric bike cast wheel hub motor

Specification

• Motor Type: BLDC Permanent Magnet Outer Rotor In-Wheel Hub Motor With Hall Sensor
• Brand: QS Motor,QSMOTOR
• Motor Design: double axle with rim 
• Matched Tire: 20X2.125inch
• Stator: Steel Core
• Rated Power: 1000W (2000kW peak in few seconds) 
• Rated Voltage: 48V
• Speed: 530RPM no load  
• Max Torque: approx 85N.m
• Max Efficiency: approx 85%
• Continuous Battery Current: 26A (48V)
• Peak Battery Current: 50A (48V)
• Suggest Peak Phase Current: /A
• Thermal Probe: KTY83/122 (as default, optional)
• Working Temperature: 70-110℃ , peak 120 ℃ 
• Brake type: Disc brake, PCD6*44mm-M5
• Freewheel:single speed
• Drop-outs: 155mm
• Two Hall Set with waterproof connectors
• 4mm² Cross Section of Phase Wire (not include insulation layer), 70cm length, customized connector.
• Hall Sensor Phasing angle: 120 degree
• Waterproof Grade: IP65
• Color: Black 
• N.W./G.W.: approx 10.6/12.66kg   
• Package Dimension: 50.5cm*50.5cm*32.5cm/piece  

Pictures Show

20X2.125inch aluminum drum brake front wheel with drum brake

Specification

• Brand: QS
• Wheel size: 20x2.125inch
• Diameter: 421mm
• Width: 45mm
• Matching TireTube Tire: 20X2.125inch
• Brake: Drum
• Brake Hub: Ø110mm
• Design No.: 01
• Bearing Model : 6200
• Axle Diameter: 10mm
• Material: A356 Aluminum
• T6 heat treatment: available
• Application: E-bike Front Wheel
• Certification: ISO, CCC
• Service: OEM/ODM

Pictures Show

Drawing

Tips

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.

Conversion kits for 20inch E-Bicycle hub motor

We're able to supply KLS4812S 48V brushless motor Controller.

Application

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.

 About US

SIAECOSYS is an union of manufactories in electric driving industry, and belongs to Taizhou SIA Trading Co., Ltd that set from QS Factory in 2013 year.

Currently, more than 80 top factories join SIAECOSYS, and they are willing to provide customized products and service for international customers who has passion in e-scooter/tricycle/car industry.

SIAECOSYS focus on organizing member factories together to customize specific e-driving system solution and products for different requirements from customers in the world.

Nowadays, SIAECOSYS has more than 5000 customers from the world and more than 40 customers send inquiry every day.

SIAECOSYS has sale department, Technology department, Quality inspection department, general accounting department, purchase department and after-sale service department.

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