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E-CITY
CZJB-75Q e-bike hub motor
As the lightest motor in the czjb front-drive series, it is simple to install and can be easily retrofitted to a standard bicycle. It only takes very little effort to turn a normal bicycle into an electric bicycle. No complicated drivetrain modification is required, making it accessible to DIY enthusiasts and those looking for a quick conversion option.
Rated Power: 250w
Max Torque: 35Nm
Reduction Ratio: 1:4.35
Specifications
Motor Drawing
Specifications
| Position | Front |
| Construction | Gear |
| Rated Voltage（V） | 24/36/48 |
| Rated Power（W） | 250 |
| Weight（Kg） | 1.9 |
| Reduction Ratio | 1：4.35 |
| Max Torque（N.m） | 35 |
| Wheel Diameter（Inch） | 16-28 |
| Rated Speed（km/h） | 25 |
| Spoke Specification | 36H*12G/13G |
| Dropout(mm) | 100 |
| Brake Type | V/Disc brake |
| Operating Temperature（℃） | -20-45 |
| Efficiency（%） | ≥82 |
| Color | Black/silver |
| Cable Location | Shaft center right |
| Noise Grade（dB） | ≤55db |
| IP Grade | IP65 |
| Drive and Freewheel | / |
Motor Drawing
