- Home Page /
- Industrial Supplies /
- Industrial Electrical /
- Controls & Indicators /
- Motor Drives /
- Mid Drive Motor, QS 138 4000W V3 Mid Drive Mo...
0 ratings
Item #:
169499966
Mid Drive Motor, QS 138 4000W V3 Mid Drive Motor 7500W Max with BLDC Fardriver Controller ND72530/ND96530(Kit 2- with ND96530)
96% of respondents would recommend this to a friend
Item #:
169499966
KYD 2527
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 Monday, October 05
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
High torque output: amplified torque through gear reduction, suitable for steep slopes, mountains and other complex terrain.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Powerful Performance
Delivers an impressive 4000W nominal power with a peak of 7500W, ensuring reliable performance for extreme riding conditions and heavy-duty applications.
Advanced Controller
Equipped with the BLDC Fardriver Controller, allowing for smooth acceleration and efficient power management, enhancing overall riding experience and motor longevity.
Enhanced Versatility
Designed for a variety of applications, from e-bikes to custom electric vehicles, providing users with flexibility to adapt the motor for multiple uses with ease.
Product Details
| Package Dimensions | 0.39 x 0.39 x 0.39 inches (1 x 1 x 1 cm) |
| Item Weight | 22 pounds (9.98 kg) |
| Department | unisex-adult |
| Manufacturer | Mechanivis |
| Item model number | Mechanivis |
| Assembly required | No |
| Number of pieces | 1 |
Who Should Buy?
-
High-Speed Riders
Ideal for enthusiasts seeking fast and powerful acceleration for long-distance rides or off-road adventures.
-
Electric Bike Builders
Perfect for DIY enthusiasts looking to customize their electric bikes with high-performance mid drive motors.
-
Heavy Loads Users
Suitable for users needing to transport heavy cargo or tackle steep inclines with ease using powerful motor capabilities.
-
Casual Commuters
Not ideal for casual riders who prefer a basic, low-powered setup for daily commuting without high speeds.
Product Description
Mid Drive Motor, QS 138 4000W V3 Mid Drive Motor 7500W Max with BLDC Fardriver Controller ND72530/ND96530(Kit 2- with ND96530)
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the main features of the QS 138 4000W V3 Mid Drive Motor?
Answer: The QS 138 4000W V3 Mid Drive Motor boasts a powerful 7500W maximum output, making it ideal for high-performance e-bikes and electric vehicles. It features a BLDC (Brushless DC) Fardriver Controller, which enhances efficiency and reduces maintenance, as there are no brushes to wear out. This motor is designed for heavy-duty usage, suitable for both commuting and off-road adventures, providing high torque and smooth acceleration. -
Question:
How does the performance of the QS 138 4000W V3 compare to other mid-drive motors?
Answer: The QS 138 4000W V3 outperforms many competitors with its peak output of 7500W and advanced BLDC technology. Unlike typical mid-drive motors, this unit is engineered for higher torque and faster start-up, making it perfect for steep inclines and rugged terrains. This performance advantage translates to a more engaging riding experience, whether you're tackling hills or cruising at high speeds on flat surfaces. -
Question:
What types of vehicles can be fitted with the QS 138 4000W V3 Mid Drive Motor?
Answer: This motor can be installed in a wide range of vehicles, including e-bikes, electric motorcycles, and scooters. Due to its robust design and high power output, it is especially suited for applications that require significant power and efficiency, such as long-distance touring bikes or off-road electric motorcycles, where reliability and performance are critical. -
Question:
What kind of controller does the QS 138 4000W V3 use and why is it important?
Answer: The QS 138 4000W V3 comes with a BLDC Fardriver Controller either ND72530 or ND96530, which is crucial for managing the motor’s performance. This controller allows for precise speed control, enhances battery longevity, and optimizes torque delivery. Having a high-quality controller ensures that you can enjoy a smoother ride with better power management, which is essential for those who prioritize performance and efficiency in their electric vehicles. -
Question:
Is the QS 138 4000W V3 Mid Drive Motor suitable for steep hills?
Answer: Yes, the QS 138 4000W V3 is particularly well-suited for steep hills due to its high torque output. The motor’s design focuses on providing substantial torque at low speeds, which is vital when climbing steep inclines. Riders who often navigate hilly terrains will appreciate the motor's ability to deliver power effectively, making challenging climbs easier and safer. -
Question:
Can I install the QS 138 4000W V3 Mid Drive Motor myself?
Answer: Installation of the QS 138 4000W V3 Mid Drive Motor can be accomplished by individuals with basic mechanical skills and tools. It's essential to follow the manufacturer's instructions carefully, as proper alignment and wiring are crucial for optimal performance. Installers should ensure compatibility with their vehicle's frame and electrical system. Many enthusiasts and DIYers enjoy customizing their bikes, making this motor a popular choice for those looking to enhance their electric ride. -
Question:
What is the weight of the QS 138 4000W V3 Mid Drive Motor?
Answer: The QS 138 4000W V3 Mid Drive Motor is designed with a balance of power and weight considerations. While specific weight details may vary slightly, the motor is engineered to provide high performance without being excessively heavy. This makes it a practical choice for e-bike enthusiasts who are concerned about overall weight while still wanting powerful performance, especially for long-distance rides. -
Question:
What battery compatibility is recommended for the QS 138 4000W V3?
Answer: For optimal performance with the QS 138 4000W V3 Mid Drive Motor, a lithium-ion battery with a voltage range of 48V to 72V is recommended. Higher voltage batteries can enhance performance and provide quicker acceleration. When selecting a battery, consider capacity and discharge rates to ensure that it can meet the demands of your riding style, particularly for those who plan to use the motor for extended periods or at maximum power. -
Question:
What kind of maintenance does the QS 138 4000W require?
Answer: The QS 138 4000W V3 Mid Drive Motor is relatively low-maintenance thanks to its BLDC technology, which requires no brush replacement. Regular checks on connections, tightening bolts, and ensuring that the controller is functioning correctly are recommended practices. Keeping the motor clean from dirt and debris can help maintain performance and longevity, allowing riders to maximize their investment with minimal upkeep. -
Question:
Where can I buy the QS 138 4000W V3 Mid Drive Motor in Cayman Islands?
Answer: You can purchase the QS 138 4000W V3 Mid Drive Motor from Ubuy in Cayman Islands. Ubuy offers a variety of options and kits, making it easy to find the right setup for your electric vehicle. Their platform provides detailed product information, customer reviews, and allows for comparisons, ensuring that you make an informed choice for your mid-drive motor needs.
Mechanivis Motor Drives 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
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
F
fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
LC
Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 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.
KYD 2527
Order now and get it around Monday, October 05
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
- Powerful 4000W mid-drive motor with a 13500W peak.
- High torque of 150N.m ideal for steep and mountainous terrains.
- Modular design for easy maintenance and replacement of components.
- Compatible with various vehicle types and tire diameters.
- Stable mid-motor placement enhances driving stability at high speeds.
- Perfect for DIY electric scooters, bikes, and E-Motorcycle Mopeds.
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.