Designed for 20 Inch e-Fat bikes.
With a max torque of 90Nm and 1000W rated power output

Additional information


MTF04 gear drive hub motor is designed for 20-inch fat tire electric bikes. Built with a lightweight aluminum alloy wheel, this motor offers exceptional performance and aesthetics. It’s built-in a 20″x4.0 aluminum alloy cast wheel, could be installed either on the front or rear wheel.

Experience the power and efficiency of this motor, with motor power options ranging from 350W to 1000W, allowing you to choose the perfect level of performance for your riding needs. With a maximum torque of 90N.m, it delivers impressive strength for conquering various terrains with ease.

Whether you prefer a front or rear drive configuration, MTF04 motor provides the flexibility to choose according to your preferences. The front drop-out size of 135mm and rear drop-out options of 175mm or 190mm ensure compatibility with most fat tire electric bikes on the market, making installation a breeze.

With a reduction ratio of 1:5, this gear motor optimizes power transfer for efficient performance and a smooth riding experience. Ride confidently, knowing that our motor is engineered for strength, durability, and efficiency.


Core Data
Position: Rear Motor Wheel and Front Normal Wheel
Wheel Diameter (Inch): 20″ Aluminium Alloy Wheel
Construction: Gear Drive
Rated Voltage (DCV): 36/48V/60V
Rated Power (W): 350W-1000W
Reduction Ratio: 1:5
Rated Efficiency: ≥82%
Max Torque (Nm.): 90Nm.
Surface Color: White/Black/Customerized
Weight(Kg): 7Kg
Noise Grade (dB): ≤55dB
Operating Temperature (℃): -20-45
With Hall Sensor: Yes
With Integrate speed sensor: Yes

Mounting Parameters
Brake Type: Disc Brake/V brake
Installation Widths (mm / OLD): 135mm (Front); 175/190mm (Rear)
Cabling Route: Shaft Center, Right/Shaft Side, Left
Freewheel: 6-9S

Tests & Certifications
Salt fog test(h): 24/96
Waterproof Grade: IP54
Certifications: CE