Product Description:
If your 4.0-inch fat-tire e-bike is experiencing motor aging, drive system failure, or a loss of power, there is no need to replace the entire vehicle. This 52V 1500W rear hub motor is a professional-grade OEM replacement part designed to restore your bike's performance to factory standards. As a standalone replacement component, it delivers stable, reliable power conversion, making it the ideal choice for resolving drive system issues.
Key Technical Specifications:
Powerful 1500W Output & 95 N·m Torque: Features a standard 52V 1500W brushless system delivering a rated torque of 95 N·m. These specifications strictly adhere to OEM standards for heavy-duty fat-tire models, designed to fully restore the explosive acceleration and steep-incline climbing capabilities lost due to motor wear.
4.0-inch Rear Axle Specifications: Manufactured to strict factory dimensions, this motor is designed for fat-tire e-bikes with a rear dropout spacing (OLD) of 170–175 mm and 4.0-inch wide tires. It is a precision-engineered OEM-spec component, not a generic aftermarket modification part.
Compatibility Guide (Please Read Before Purchasing): To ensure a perfect match with your bike's original motor, please verify the following physical specifications before ordering:
Standard Specification: Dropout spacing of 170–175 mm (6.69–6.89 inches); cable exits on the left side; compatible with disc brake systems; equipped with a standard L915 connector.
OEM Variant Available: We also offer a replacement version designed for configurations where the cable exits on the right side (freewheel side), compatible with 910c or 910 black connectors. If you have any questions regarding dimensions or connectors, please contact our after-sales team to verify your bike's specifications and avoid purchasing the wrong part.
After-Sales Service and Package Contents:
This product comes with an official one-year warranty, and our technical support team is available around the clock to answer questions regarding OEM specifications and compatibility.
Please Note: This item is a standalone replacement part for electric bicycles, consisting solely of the rear hub motor and its corresponding connector cable. The package does not include the rim, spokes, tire, controller, or other accessories; it is strictly a single replacement component.