- Home Page /
- Tools & Home Improvement /
- Electrical /
- Electric Motors /
- Permanent Magnet Motors /
- QS Motor Liquid Cooled QS138 V3 4000W 90H Mid...
0 ratings
Item #:
225750217
QS Motor Liquid Cooled QS138 V3 4000W 90H Mid Drive Motor with Gearbox
Item #:
225750217
SLE 45132
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Friday, October 16
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
With a 72V 4000W rating, the QS138 V3 delivers robust performance for high-speed electric motorcycles.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Power Output
Delivers 4000W of power for exceptional acceleration and speed, making it perfect for electric bike enthusiasts seeking high-performance propulsion.
Liquid Cooling
Innovative liquid cooling system prevents overheating during extended use, ensuring consistent performance and longevity for demanding applications.
Integrated Gearbox
Built-in gearbox enhances torque delivery and efficiency, providing a smooth and responsive ride, ideal for both urban commuting and off-road adventures.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 16.5 lbs (7.48 kg) |
| What is in the box | QS Motor Liquid Cooled... For more details, please check description/product details |
Who Should Buy?
-
Enthusiast Riders
Ideal for individuals seeking high-performance e-bikes with powerful motors for speed and acceleration.
-
Mountain Bikers
Perfect for off-road riding, providing excellent torque for climbing steep terrains and navigating rough paths.
-
Custom Builders
Great choice for DIY enthusiasts wanting to build custom electric bikes with reliable and robust components.
-
Casual Commuters
Not suitable for regular commuters who prefer lightweight and low-power options for daily use.
Product Description
QS Motor Liquid Cooled QS138 V3 4000W 90H Mid Drive Motor with Gearbox
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the power rating of the QS138 V3 motor?
Answer: The QS138 V3 motor has a power rating of 72V 4000W. -
Question:
How does the liquid cooling feature benefit the motor?
Answer: It enhances temperature resistance and reliability during intense rides. -
Question:
Is the QS138 V3 suitable for climbing?
Answer: Yes, it offers high efficiency during climbing for better acceleration.
HIVJEEDYH Permanent Magnet Motors Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
SLE 45132
Order now and get it around Friday, October 16
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- High power output of 72V 4000W for impressive performance.
- Liquid cooled design improves reliability during intense rides.
- Compact and lightweight for a space-saving installation.
- High efficiency during climbing for enhanced acceleration.
- Supports regenerative braking for better energy recovery.
- Ideal for high-speed electric motorcycles.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.