Description
20*4.0 Inch Electric Bike Hub Motor 48V 350W Dual Motor Fat Tire Bicycle Parts
Welcome to our store! We specialize in high-quality electric bike accessories, and this 20*4.0 inch hub motor is designed for fat tire bicycles, perfect for upgrading your ordinary bike to an electric one. With dual motor options, multiple power specifications, and precise fork sizes, it’s the ideal replacement part for your electric bicycle, suitable for daily commuting, outdoor adventures, and more.
Product Core Parameters
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Wheel Size: 20*4.0 inches, perfectly matched with fat tires, providing strong grip and stability on various road surfaces (sand, snow, gravel, urban roads).
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Voltage & Power: 48V, optional power 350W you can choose the appropriate power according to your needs (daily commuting recommended 500W, outdoor off-road recommended 750W/1000W).
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Motor Type: Dual motor design, front and rear motor matching, strong power output, easy to climb slopes and pass complex road conditions.
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Speed: Maximum speed up to 25km/h, compliant with most regional electric bike speed regulations, safe and efficient.
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Fork Size: Front motor fork opening: 135MM, Rear motor fork opening: 175MM, precise size, easy to install without additional modification.
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Accessory Inclusion: Comes with hub (integrated motor), easy to assemble, suitable for most 20*4.0 fat tire electric bicycles.
Product Advantages
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Strong Power & Stable Performance: 48V voltage matching 350W power, dual motor provides sufficient power, no stuck when climbing slopes (slope angle up to 15°), stable operation, low noise.
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Perfect Compatibility: 20*4.0 inch hub is specially designed for fat tire bicycles, 135MM front fork and 175MM rear fork are standard sizes, compatible with most mainstream fat tire electric bike models, direct replacement, no need to drill or modify.
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Durable & Wear-Resistant: The hub is made of high-quality metal material, anti-rust, anti-corrosion, and wear-resistant; the motor has good heat dissipation performance, long service life, and can withstand long-term use.
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Safe & Compliant: Maximum speed 25km/h, in line with the speed limit requirements of electric bicycles in most countries and regions, safe to use on urban roads and outdoor roads.
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Easy to Install: Integrated hub design, comes with necessary installation accessories (if any), simple operation, you can install it yourself with basic tools, saving time and labor.
Applicable Scenarios
This dual motor hub is suitable for 20*4.0 fat tire electric bicycles, widely used in: daily commuting (saving time and effort), outdoor adventure (sand, gravel, mountain roads), leisure travel (stable and comfortable), and also suitable for replacing old, damaged or low-power hub motors.
Installation Tips
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Please confirm your bicycle’s fork opening size (front 135MM, rear 175MM) and wheel size (20*4.0 inches) before purchasing to avoid incompatibility.
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When installing, please turn off the power of the electric bicycle to ensure safety; it is recommended to use professional tools for installation.
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After installation, please check whether the hub is fixed firmly, and test the motor operation to ensure there is no abnormal noise or loose parts.
After-Sales Service
We provide high-quality after-sales service: if you receive the product with quality problems (damage, incompatibility, non-normal operation), please contact us in time, we will provide replacement or refund service.
If you have any questions about product parameters, installation or selection, please feel free to contact our customer service, we will reply you within 24 hours.
Note: The product only includes the 20*4.0 inch hub motor (dual motor, with hub), other bicycle parts (tire, battery, controller, etc.) are not included. Please select the appropriate power (350W) when placing an order.
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