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Item #:
222883420
QS Motor Liquid Cooled QS138 V3 4000W 90H Mid Drive Motor with Gearbox
Item #:
222883420
BND 2655
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Monday, October 12
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With a 72V 4000W rating, the QS138 V3 delivers robust performance for high-speed electric motorcycles.
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What Stands Out
High Power Output
With a robust 4000W power rating, the QS138 V3 ensures exceptional acceleration and performance, making it ideal for high-speed electric bikes and off-road applications.
Liquid Cooling System
This motor features an innovative liquid cooling system that prevents overheating during demanding rides, ensuring durability and consistent performance in various conditions.
Integrated Gearbox
The mid-drive design with an integrated gearbox optimizes torque delivery and efficiency, providing greater control and enhanced power usage without compromising weight or size.
Product Details
| Brand Name | WITPKKL |
| Model Name | WITPKKL |
| Model | WITPKKL |
| Number of Items | 1 |
| Manufacturer | WITPKKL |
| Part Number | WITPKKL |
| Brand | WITPKKL |
| Item Weight | 16.5 lbs (7.48 kg) |
Who Should Buy?
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Electric Bike Enthusiasts
Ideal for users seeking high performance and efficiency in their electric bike builds.
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Off-Road Riders
Perfect for those who need durable and powerful motors to tackle rugged terrains.
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Custom EV Builders
Great for DIY enthusiasts looking to integrate advanced motors in their custom electric vehicles.
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Casual Commuters
Not suitable for casual users who require low power and simplicity for everyday commuting.
Product Description
QS Motor Liquid Cooled QS138 V3 4000W 90H Mid Drive Motor with Gearbox
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the power output of the QS Motor Liquid Cooled QS138 V3?
Answer: The QS Motor Liquid Cooled QS138 V3 has a power output of 4000W, which makes it a powerful option for electric bikes and other applications. This high wattage allows for robust performance, enabling faster speeds and improved efficiency. It's particularly suited for off-road biking or for riders who require extra torque for climbing steep hills, ensuring a great riding experience under various conditions. -
Question:
What are the benefits of a liquid-cooled motor?
Answer: Liquid cooling in motors like the QS138 V3 helps in maintaining optimal performance by efficiently dissipating heat. This cooling system prevents the motor from overheating, especially during intense rides or prolonged usage. As a result, riders can expect better reliability and longer lifespan of the motor, thus improving overall riding performance. It’s an ideal choice for enthusiasts looking for maximum durability and efficiency in their rides. -
Question:
Can the QS138 V3 motor be used for different types of bikes?
Answer: Yes, the QS138 V3 motor is versatile and can be used in various types of electric bikes, including mountain bikes, commuter bikes, and even custom builds. Its mid-drive design allows for effective weight distribution and optimal handling, enhancing the riding experience. Whether you are looking for speed in urban environments or power for tackling rugged terrains, this motor's design is adaptable to meet different riding needs. -
Question:
What type of battery is compatible with the QS138 V3?
Answer: The QS138 V3 motor is compatible with high-capacity lithium-ion batteries, typically ranging from 60V to 72V. These batteries help maximize output and ensure longer ride durations. Choosing the right battery helps optimize the motor's performance, particularly in achieving higher speeds and maintaining consistent power under load. Ideal for riders wanting extensive range and robust performance, matching the battery with your riding style is essential. -
Question:
What gear ratios are used in the QS138 V3 gearbox?
Answer: The QS Motor Liquid Cooled QS138 V3 features a gearbox designed for efficiency and performance, often with a standard ratio of 1:5. This gearing provides the right balance between torque and speed, enabling smooth acceleration and climbing capabilities. Riders can enjoy a thrilling experience on varied terrains, making it suitable for both casual rides and more adventurous terrains, adapting to different riding conditions seamlessly. -
Question:
How does the mid-drive configuration improve performance?
Answer: The mid-drive configuration of the QS138 V3 motor places the motor at the bike's center, significantly improving weight distribution and balance. This design allows for better traction, especially on ascents, as the rider's weight is effectively managed. This configuration also enables the rider to utilize the bike's gears, allowing for greater torque and speed control, making it a beloved choice for performance-oriented cyclists who value agility. -
Question:
What is the typical efficiency of the QS138 V3 motor?
Answer: The QS138 V3 motor boasts an impressive efficiency rating, often exceeding 90%. This high level of efficiency translates into better battery utilization, allowing riders to travel longer distances on a single charge. The optimization of energy usage makes this motor highly appealing for long-distance riders or those who regularly engage in extensive biking activities, providing a sustainable and economical ride. -
Question:
What maintenance is needed for the QS138 V3 motor?
Answer: The QS138 V3 motor requires little maintenance due to its robust design, but regular checks are advisable. Inspecting electrical connections and keeping the system clean can help maintain performance. Additionally, monitoring the gearbox oil and ensuring proper alignment of the motor and drivetrain will enhance reliability. This minimal maintenance need is ideal for users who prefer spending more time riding and less time on upkeep. -
Question:
Where can I buy the QS Motor Liquid Cooled QS138 V3 4000W 90H Mid Drive Motor With Gearbox in Brunei?
Answer: You can purchase the QS Motor Liquid Cooled QS138 V3 4000W 90H Mid Drive Motor With Gearbox from Ubuy, a trusted online marketplace that delivers a vast range of e-commerce products, ensuring a convenient and reliable purchase experience.
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BND 2655
Order now and get it around Monday, October 12
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.)
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Features & Benefits
- High power output of 4000W for superior performance.
- Liquid cooled design for enhanced reliability during intense rides.
- Compact and lightweight for a sleek and space-saving installation.
- Efficient climbing abilities for improved acceleration.
- Supports regenerative braking for eco-friendly energy recovery.
- Perfect choice for high-speed electric motorcycle enthusiasts.
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