QS Motor 8000W 273 50H V3 48V 10000W 20kW Peak Brushless DC Electric Bike Spoke Hub Motor

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Company Information

Taizhou Quanshun Vehicle Accessories Co., Ltd.

CN Manufacturer
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US$ 3,000+
7 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Voltage: 72v
Design: Brushless
Wattage: &gt; 400w
Wattage: 8000W
Max. speed: 100-130km/h
Max. torque: 170-300N.m
Color: Black
Feature: DIY, Two Halls, High-Efficiency
Efficiency: &gt;=85%
Design: Brushless DC motor
Waterproof: IP54
Certification: CE By SGS
Delivery Detail: 16 days after payment
Selling Units: Single item
Single package size: 43X43X34 cm
Single gross weight: 24 KG
Package Type: QS Standard Export Packing 1. Polyfoam + Carton Box 2. Or according to customer&#39;s requirements

QS Motor 8000W 273 50H V3 48V 10000W 20kW Peak Brushless DC Electric Bike Spoke Hub Motor



8000W Spoke.jpg

 Motor Kits

For more information, please refer to below hyperlink of e-scooter kits.  


Production Pictures

 273 spoke-1.jpg

Product test report    E.g. 72V 8000W 

 8000W 1253RPM.jpg


 From the test report, we could find expected max rpm is 1253.7, max torque is more than 122.0N.m, which performance well on EFF(Reach 87.7%). 


8000W TEST 1503.5.jpg


From the test report, we could find expected max rpm is 1503.5, max torque is more than 153.0N.m, which performance well on EFF(Reach 85.5%). 


For the speed, there is two formulas,


Speed(km/h)=0.9*RPM(r/min)*2r π (m)*60     Power= Torque*RPM/9.565


So under the same power, the faster the RPM/speed is, the smaller the torque.


For hills climbing, high torque, low RPM/speed motor maybe suitable. 




P.S.: Above speed is calculate due to leadacid battery theoretically, if it’s lithium battery, the speed maybe 5kph more.   


In practice, the speed will rang according to weight of loading & vehicle, road situation, tyre models and wind resistance



CAD Drawing (e.g. 273 spoke motor)  

273 spoke motor CAD drawing.jpg 

It273 spoke motor, the dimension of shaft/axle could be customized according to your requirements, such as the length 

between fork could customized to be 200mm. For more testing report and CAD drawings, please contact with us by email or trademanager freely. 

Were glad at your service. : )



 For Details



About Quanshun Factory


Quanshun Factory focus on motor for more than 10 years, which is specialized in research,development and production

of scooter motor.We are located in Taizhou,with convenient transportation access.All of our products comply with intern-ational quality standards and are greatly appreciated in a variety of different markets through the world. If you are interested in any of our products or would like to discuss a custom order,please feel free to contact us.We are

looking forward to forming successful business relationships with new clients around the world in the near future.

Choose QS, Choose Quality & Service!