✅ High-quality materials, safe structure and strong power
✅ High-speed brushless permanent magnet motor
High efficiency, smooth operation, and long working life. Features planetary gear drive with clutch for zero drag — easy to ride even when the battery is drained.
✅ High-strength aluminum alloy housing
Spray-coated surface finish for scratch resistance and environmental durability.
Our advantages
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High-quality materials |
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Efficient |
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Long life |
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Light weight |
IP65 Waterproof Protection
IP65-rated for reliable water and dust resistance
Fits most of the wheel sizes
Compatible wheel sizes: 16 inch, 20 inch, 24 inch, 26 inch, 27.5 inch, 29 inch, 700C
20 strong magnets
Good consistency, stable magnetic field and high temperature resistance
Automatic machine winding
Precision machine winding ensures consistent coil quality and stable output
Silicon steel sheets
High-grade silicon steel laminations minimize eddy current loss and improve motor efficiency
PA66 reduction gear
Cold resistance, high temperature resistance, high toughness, low friction coefficient
High-strength motor shaft
Precision-machined for strength and durability under heavy load conditions.
High-Quality Waterproof Cable
9-pin cable: 3 phase wires, 5 Hall wires, and 1 signal wire
Product Model
| Model | MFI250W |
Installation Parameters
| Brake Type | V brake |
| Open size (mm) | 80 |
| Hub diameter (mm) | 120 |
| Cable Location | Shaft side, left |
| Outlet cable length (mm), cable type | 310, G9.5 |
| Spoke specifications | 36H13G |
Main Specifications
| Position | Front |
| Compatible rim size | 16"–29" |
| Structure | Gear drive |
| Rated voltage (DCV) | 36 |
| No-load speed (Rpm) | 340 |
| Rated power (W) | 250W |
| Load speed (Rpm) | 280 |
| Maximum torque (N.M) | 30 |
| Efficiency (%) | >80% |
| Colour | Black/Silver |
| Weight (kg) | 1.74 |
| Noise Grade (dB) | <50 |
| Operating Temperature | -20~45℃ |
Technical Parameters
| Speed detection signal (Pulse/Cycle) | 6 |
| Reduction ratio | 1:12.5 |
| Magnet poles (2P) | 16 |
Testing and Certification
| Parameter | Value |
|---|---|
| Waterproof Grade | IP65 |
| Certification | CE / CCC / CQC |
| Salt Spray test (h) | 48 |
