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What Are The Main Components Of An Ebike?

Simple, convenient, and economical: this is how many electric bike owners would describe their bike. However, for newcomers, electric bicycle components can become confusing. 

The battery is the heart of the electric bike. It drives the bicycle and keeps it moving, and the motor works hand-in-hand with the electric bike battery to propel the bike itself. Some bikes might have a throttle that increases or decreases the speed, while others rely on.

Confused? Below we discuss the main components of an ebike and what functions they perform on the machine.

The Battery

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An ebike battery is the most important component of the bicycle. It is the energy source that powers the electric bicycle and most modern batteries are almost exclusively lithium-ion. As this battery matured over the years, it has become lighter, more powerful, and more reliable. 

Usually, electric bicycle batteries are 36volt 10.4Ah Lithium-ion, linked to an advanced battery management system (BMS). Lithium-ion batteries do not develop ‘memory’ and you can expect a battery life of up to 500 charges.

Lithium batteries require a Battery Management System which senses the voltage of each cell and cuts off the power being sent to them in order to prevent overcharging or over discharging.  

The number of cells in the battery and how they are wired together determines the voltage and capacity (amp-hours or Ah) of the final product.

The battery is often integrated into the frame of the electric bike for a neater and more compact appearance. Removing the battery is a simple process, allowing you to change or charge it as you need to.

The Motor

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The electric bike motor turns the electrical energy from the battery into power that mechanically moves the bike. It can be a hub mounted motor or a mid-mounted motor. Mid-mount motors are more powerful options, and are ideal for off-road biking, especially for hill or mountain-climbing. 

Mid-mounted motors allow you to use the bike’s chain driven transmission as the motor’s gears, so the electric motor can run in its optimum RPM range. 

If you are not a serious biker and want something less power-intensive, a hub motor works best. It is better suited to commuter cycles and it is a “direct” drive, which means they drive the powered wheel directly, not through the cycle’s chain driven gears. 

Choosing between these two motors depends on how you will be using the ebike on a daily basis.

The Controller

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The controller connects all of the electrical components together, and allows the rider to adjust the voltage that is sent to the motor in response to the rider’s throttle or pedal usage. By adjusting this voltage, you are able to moderate the power output of the ebike. 

The controller lowers the voltage going to the motor, while upping the current by the same ratio. Electric bicycle motor controllers will usually have a specific voltage limit as well as a current limit that defines the maximum amperage they draw from the battery.

The Frame And The Wheels

The frame of an electric bike is slightly different from that of a conventional bicycle. Ezy Bike’s frames are aluminium frames and the wheels and spokes are steel. With a lighter frame, the weight of the bike will be lighter overall and the further the bike can travel without using too much battery power. 

Without an ebike motor, the frame would weigh the same as a normal bike, and it is important to note that the motor is usually heavier than the battery. The spokes on the wheels need to be stronger than the thin spokes usually seen on conventional bikes. 

This is because the electric motor spins the wheel with a lot of force, and if they were ordinary spokes, they could buckle under the pressure.

The Throttle

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An ebike throttle is arguably the most popular method of regulating the power from the motor. You can choose from a thumb throttle or a twist throttle, and these throttles control the power coming from the electric bike motor regardless of how hard you are pedalling. 

Using the electric bicycle throttle is similar to using the accelerator in your car – all you need to do is press it and your ebike will speed up and move forward. We have fitted the throttle option onto our Ezy Bike models. 

Throttles provide full power on demand, making it easier for starting from a traffic light, stop sign, or hill. They provide a burst of power for safely cycling through busy roads or intersections.

The Display

One of the most useful electric bike components is the display. Our Ezy Bikes are fitted with an intelligent LCD dashboard that provides information such as the battery capacity, maximum speed, average speed, single trip time, total trip time, walking power assist, trip distance, total distance covered, and the Pedal Assist System levels.

The display and controller are connected, which allows you to easily communicate with the controller and increase or decrease the speed. If you are someone who cycles competitively or wants to log your progress, you can easily see how far you have gone for each ride.  

Having the battery capacity information at your fingertips will allow you to ensure your battery is fully charged and ready for every adventure.

Make Life Ezy

Now that you have a better understanding of the major ebike components, it’s time to start planning your next adventure. Take a look at our Ezy Bikes today and choose the right ride for your journey.