Electric bicycle hub motors typically have the following features:

* They are located in the hub of the wheel, which allows for a compact and unobtrusive design.
* They can be powered by either a rechargeable battery or a direct connection to the power grid.
* They can provide assistance to the rider when pedaling, making it easier to ride up hills or against headwinds.
* They can have a range of power output, typically measured in watts, and can be controlled by a thumb or twist-grip throttle on the handlebars.
* They can have different designs, such as direct-drive, geared and geared with freewheel.
* They can have different types of controllers and sensors, such as torque sensor, speed sensor and cadence sensor.
* They can have different types of brakes, such as disc brake, drum brake and regenerative brake.
* They can have different types of connectors, such as hall sensor, speed sensor, torque sensor and power connector.
*It's also worth noting that different countries and regions may have different regulations regarding electric bike motors, maximum power output, and other specifications.