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  6. Wheel-type motor with built-in gear brushless motor!

Wheel-type motor with built-in gear brushless motor!

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WGI Series

last updated:Nov 06, 2025

Corelss Motor Co.,ltd HQ
Corelss Motor Co.,ltd HQ
  • Official site

A compact and lightweight yet powerful wheel motor! We respond to your request for "power is desired, but I want a lightweight wheel." #Wheel #WheelType

In conventional motors, the motor and gearhead mechanism are separate, which makes geared motors larger and complicates the miniaturization of the system. By utilizing one of the main features of the coreless structure, the "hollow structure," and incorporating a special planetary gearhead into that part, we enable the entire system to be more space-efficient. (GSH series) This time, we introduce the WGI series of wheel-type motors designed for electric assist bicycles and electric wheelchairs from the GSH series. "Want power but want to keep it light." "A must-see for those who want to design freely within limited space!" 【Features】 ■ "Gear-integrated" brushless motor ■ Space-saving ■ Provides the desired rotation speed and torque. ■ Maximizes the high-speed rotation of coreless motors ■ Excellent quietness due to gear integration For more details, please refer to the catalog. Feel free to contact us with any inquiries.

    DC Motor
WGI2.png

Wheel-type motor with built-in gear brushless motor!

WGI2.png
WGI2.png
  • Related Link - http://www.cls-motor.com/products/wheel-in-motor

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basic information

Features of Our Wheel-Type Motor ● Compact: Significantly smaller compared to other products due to the built-in gear effect ● Lightweight: Lightweight due to the coreless structure, contributing to vehicle weight reduction ● High Efficiency: Longer battery drive time and increased generation of regenerative energy ● Cogging-Free: Zero cogging torque due to the coreless structure ● High Torque: Achieves three times the torque compared to conventional models by using metal gears instead of resin gears A wheel motor is an electric motor that rotates the motor body while fixing the hub shaft of the wheel. In-wheel motors have many applications, including electric vehicles, electric wheelchairs, and electric assist bicycles. Our in-wheel motor incorporates a gear mechanism inside the motor, achieving a significantly smaller and lighter design compared to other in-wheel motors. For more details, please refer to the catalog. Feel free to contact us with any inquiries.

Price range

P2

Delivery Time

Please contact us for details

※The prototype creation will take some time.

Applications/Examples of results

- Robot equipment - Industrial machinery - Mobile robots - Medical devices - Agricultural machinery - and many others.

catalog(3)

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In-wheel technology documentation

In-wheel technology documentation

TECHNICAL
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Coreless Brushless DC Motor Comprehensive Catalog

Coreless Brushless DC Motor Comprehensive Catalog

CATALOG
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[English Version] Coreless Brushless DC Motor Comprehensive Catalog

[English Version] Coreless Brushless DC Motor Comprehensive Catalog

CATALOG
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News about this product(2)

In-wheel technology documentation

  • Catalog news

We will deliver the latest version of the in-wheel technology documentation. We kindly ask you to download it.

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Our company has been featured in the internal magazine of the Toyota Technical Association.

  • Company news

It was published in Toyota Motor Corporation's internal web magazine. This magazine is distributed within Toyota's internal communications, and unfortunately, we won't have the opportunity to see it, but this time we received the page that was published in PDF format, so I would like to share it with everyone. I would be grateful if you could take a look.

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Companynews list (18)

Company information

Corelss

Corelss Motor Co.,ltd HQ

Machine elements and parts

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Coreless motors are engaged in the development, manufacturing, and sales of precision small motors, generators, and drivers, offering a wide range of products specialized in lightweight and energy-saving technologies through proprietary technology. 【Product Lineup】 - Coreless Brushless DC Motors - Cored Brushless DC Motors (ODM) - Small Geared Motors (ODM) - General-purpose Geared Motors (some ODM) - Gear-integrated Motors (Winner of the 36th Kanagawa Prefectural Industrial Technology Development Award) - In-wheel Motors for Electric Wheelchairs - Wheel Servo Motors (ODM) - Brushless Motor Drivers (some OEM) - Battery-powered AC Servo Motors (some ODM) - AC Servo Motion Controllers (ODM) - Renewable Energy Generators (some ODM) - Wind Turbines with EAT - IC Fan Motors - Conventional Axial Flow Fan Motors (ODM) - DC Blower Fan Motors (ODM) - Linear Motors

Product/Service List (362)

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