MXUS XF15Fat 350W Rear Wheel Hub Motor Electric Bike Conversion Kit
Looking to power up your fat bike? The MXUS XF15Fat hub motor kit is your ultimate solution. This 350W motor delivers exceptional power for both city cruising and off-road adventures, making your biking experience more efficient and enjoyable. Its compatibility with 24V, 36V, and 48V battery systems ensures flexibility and adaptability to your current setup.
Powerful, Reliable, and Easy to Install
Featuring a brushless design, this rear-wheel hub motor is engineered for minimal maintenance and a longer lifespan. Whether you’re an experienced cyclist or a newbie to electric bikes, you’ll appreciate how easy it is to install the MXUS XF15Fat conversion kit. In just a few hours, you can transform your traditional bike into a high-performance electric fat bike, perfect for long rides or heavy terrains.
The kit includes a high-quality motor, controller, and all essential components to complete your conversion, making it a popular choice among DIY electric bike enthusiasts.


Parameter |
Details |
Model |
MXUS XF15FAT Fatbike Hub Motor, Snow Bike Conversion Kit |
Rated Voltage (V) |
36V / 48V |
Rated Power (W) |
350W |
Wheel Size (inch) |
20 inch / 26 inch |
Rated Speed (km/h) |
35 km/h (350W) |
Reduction Ratio |
1:5 |
Weight (KG) |
3.8 KG |
Spoke |
36-hole spoke |
Position |
Rear Wheel Hub Motor (with or without rim) |
Construction |
Gear Motor |
Dropout/Open Size (mm) |
170mm |
Magnet Poles (2p) |
10 |
Brake Type |
V/Disk Brake |
Freewheel |
Rear motor 6S-9S |
Cabling Route |
Shaft Center Right |
Operating Temperature (℃) |
-20 to 45℃ |
Efficiency (%) |
≥78% |
Noise Grade (DB) |
<55 |
Waterproof Grade |
IP65 |
Product Advantages
Powerful Performance: The 350W motor offers strong power for both urban and off-road riding, providing an efficient and enjoyable experience.
Wide Voltage Compatibility: Works with 24V, 36V, and 48V systems, ensuring flexibility for various setups.
Durable and Reliable: With a brushless design and high efficiency (≥78%), it ensures long-lasting performance and reduced maintenance.
Easy Installation: Perfect for DIY enthusiasts with a straightforward setup.
All-Weather Capability: Waterproof rating of IP65 for reliable performance in various conditions.

About USKunray Intelligent Technology Co., Ltd. was born out of a simple yet powerful idea: to make electric vehicle parts more accessible. In 2010, our founder, inspired by a heartfelt conversation about expensive e-bike repairs, dedicated years to developing innovative, affordable solutions. Today, Kunray is a leading provider of high-quality e-bike, e-scooter, and electric motorcycle parts, driven by a commitment to freedom, innovation, and customer satisfaction.At Kunray, we believe in breaking barriers. Through continuous R&D and rigorous quality control, our 100-person team ensures that our products meet the highest standards of performance and reliability. From custom OEM solutions to responsive after-sales service, we are here to support every step of your electric journey.Our core values—freedom, innovation, and reliability—guide us in creating products that empower riders across the globe. With Kunray, you can trust in a partner who’s as passionate about quality as you are about adventure.
FAQWho are we?We are Kunray, a leading supplier of electric vehicle parts specializing in e-bike, e-scooter, and electric motorcycle components.How can we guarantee quality?We ensure quality through continuous R&D, strict quality control processes, and thorough testing before product release.What can you buy from us?Electric motors, controllers, conversion kits, batteries, and accessories for e-bikes and electric scooters.Why should you buy from us not from other suppliers?We offer reliable, high-quality products with excellent customer service at competitive prices.What services can we provide?We offer OEM solutions, customization, and comprehensive after-sales support.