What Type Of Drive Is Used On Electric Bikes

electric bike motor

The electric bike motor in turn uses a planetary reduction geared gear in the motor to decrease the torque to the proper speed for a bicycle wheel. It’s more precise than a ratchet or cog in a gearbox. An electric bike motor on a normal electric bike is generally any type of electrical motor. These motors are often not internally regulated and can come with hazardous parts. If you buy one of these motors and install it yourself, be sure to research your state regulations concerning electric bike motor usage to see if you are allowed to use them. Some states have more lenient rules while others actually ban the use of these motors altogether.

Types Of Electric Bike Motor

A person wearing a helmet riding a motorcycle

There are two types of electric bike motor that you can purchase. There is the front drive unit which rides in the rear wheel and pedaling drive units that work similar to an internal combustion engine. When selecting a unit, make sure it fits your size and height of the rider. The size of the rider and the engine make up the style of drive unit that should be chosen.

There are two types of drive units. One is a front geared motor and the other is a rear geared motor. A front geared motor has the drive unit located in the front (all the way over the handlebars) whereas a rear geared motor has the drive unit located rearward (under the handlebars). A front geared motor is often used for small electric bikes because the gearing is so limited in the front.

Main Frame Of The Electric Bike

A close up of a motorcycle

The main components of the electric bike motor are the main frame (also known as the chassis), the main rotor, and the main transmission. The frame is made out of a variety of materials and can be made of steel, aluminum, and chrome plated steel. The main rotor is the part that propels the wheels and has a variety of sizes and shapes to allow the rider to choose the one that suits their style of riding best. On the other hand, the transmission is where the power from the main rotor is transmitted to the rear hub.

The Mid-drive Motor

The mid-drive motor is usually found in larger electric bikes. Mid-drive motors use a gear reduction, which limits how high atoraphragm will revolve at any one time. This allows the motor to work at a higher RPM (rate of speed) when you need it to. The gear ratio between the front and back wheels also dictates the torque/wrench that is exerted on the pedal. As with all other forms of motors, the torque/wrench is never completely one hundred percent forward; it will either end up in the front or back wheels.

The final type of drive is a friction drive. Friction drive systems are most commonly found in mountain bikes and pocket bikes. In a friction drive system, the motor has both a positive and negative displacement shaft that forces the chain through the cassette. A positive displacement shaft has fewer moving parts, which allows for lower friction and an easier transition from the pedaling resistance to the actual pedal stroke.


The last type of drive that electric bike motors used to propel bikes up slopes is an all-electric system. This type of motor works by utilizing sensors to detect obstacles, such as rocks or other protruding objects. The motor works together with the pedals to power the rider up the hill. Since this technology does not offer the user the ability to coast down steep hills, it is mostly used on urban areas.

Subscribe to our monthly Newsletter
Subscribe to our monthly Newsletter