An E-bike looks just like a traditional bike, with pedals and gears, but our pedal-assist electric bikes also have a motor, a battery, control unit, and/or display. These E-bikes provide power assistance only while you are pedaling. In order to activate the power assist motor, you have to pedal—but how hard you pedal is up to you. When you ride an E-bike, you can ride further, faster and up bigger hills with less effort than if you were riding a traditional bike.
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Our entire lineup of E-bikes are pedal-assist; in order for the E-bike to provide assistance to the rider, the rider has to be pedaling. When force, or power, is put on the pedals, the E-bike motor activates and provides assistance; how much assistance is dependent on the support mode you select on the control unit. Once you are riding, you can change gears just as you would on any bicycle, and as long as you keep pedaling, the E-bike motor will help to move you forward.
Operating an E-bike is simple, it’s just like riding a bike!
Locate your control unit, normally found on the handlebars or top tube, turn on the E-bike by pressing the power button, and select a “support mode”. Support modes range from Eco (low) to Power (high), and often includes an automatic, Smart Assist mode that automatically determines the best support mode for your ride. The lower the support mode, the less assistance the motor will provide. The higher the support mode, the more assistance the motor will provide. The support mode you choose is up to you and depends on the terrain, the effort you want to put out and how fast you want to travel. You can also adjust the mode during your ride depending on the terrain and your energy level.
Download the RideControl App onto your mobile to customize your ride experience with functions such as support mode tuning, navigation, fitness tracking, and social notifications, as well as firmware updates.
Your E-bike provides smooth and automatic power support that adjusts based on six sensors that collect real-time data from you, the rider, and the terrain, to create a fluid riding experience that feels just like a traditional bike with a bunch more “oomph”.
Once you select the support mode on the control unit, and begin pedaling, the system provides the power assistance you want while conserving battery power when you don’t need it. The support mode setting tells the motor how much power assistance to provide, how hard it needs to work, and how much energy it needs from the battery. The higher the support mode, the more energy the motor draws from the battery.
When you reach maximum speed, which depends on what country you live in, the motor will gradually reduce the power it is providing. You can still ride the speed you want, but it will be up to you and your legs to generate the speed, the motor will no longer be providing you with assistance. As your speed reduces to below the maximum, the E-bike motor will re-engage and power assistance will return. All this is happening in the background with so much efficiency that you won’t even notice it.
An electric bike engine is part of a complete power system to propel the bike forward. An electric bike engine, commonly known as a motor, is the central component of the e-bike power system responsible for propelling the bike forward. It works by converting electrical energy from the battery into mechanical power to drive the wheels.
The motor's operation is typically controlled by a system that senses the rider's input, such as a throttle or a pedal-assist sensor, which determines the level of assistance required and adjusts the motor's output accordingly. This way, riders can enjoy varying levels of pedal assistance or even rely solely on the motor's power for propulsion, making e-bikes an efficient and eco-friendly mode of transportation. The components of an e-bike power system include:
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Electric motor: The electric motor is the primary component responsible for converting electrical energy into mechanical energy to propel the e-bike forward. Various types of motors are used in electric bikes, including hub motors and mid-drive motors. These motors come in different power ratings and efficiencies, influencing the overall performance and speed capabilities of the e-bike.
Battery: The battery stores and supplies electrical energy to the motor. Lithium-ion batteries are typically used due to their high energy density, lightweight design, and long lifespan. The capacity and range of the battery are important considerations when choosing an e-bike. Higher-capacity batteries can provide a longer range before recharging, allowing riders to travel further.
Controller: The controller acts as the brain of the e-bike, regulating the flow of electricity and controlling the motor’s speed and performance. The controller also incorporates features and functions such as throttle control, pedal assist levels, and regenerative braking, enhancing the riding experience and providing options for customization.
Pedal-assisted e-bikes require the rider to start pedaling before the motor kicks in. The bike’s cadence or torque sensors detect when the rider has input enough force and momentum to start the motor.
Once the rider has reached the requisite speed, the battery switches on to deliver energy to the BLDC motor. The motor converts the electricity from the battery into mechanical energy through the interaction of magnets and coils within the motor. The magnets create a magnetic field, while the coils, or windings, generate an electromagnetic field.
When an electric current passes through the coils, it interacts with the magnetic field, generating rotational force. This force drives the motion of the motor, accelerating the e-bike and allowing for a smooth and powerful ride.
E-bikes use different types of motors to provide power and propulsion. There are two main types of motors: mid-drive and hub. Understanding the characteristics and differences between these motor types is crucial in choosing the right electric bike for your needs.
Mid-drive motors: Mid-drive brushless motors, like those found in Yamaha electric bikes, are located on the bottom bracket of the bike frame, connected to the drivetrain. This placement allows for efficient power transfer and optimal weight distribution. Mid-drive motors provide excellent torque and are well-suited for hilly terrains or off-road adventures. However, they tend to be more expensive and require more maintenance because of their complex design.
Hub motors: Hub motors are brushless motors integrated into the wheel hub in the front or rear. They offer a simpler and more affordable motor option. Hub motors, like those found in Aventon electric bikes, offer direct drive functionality, eliminating the need for a chain or gears. This design ensures a smooth ride while also reducing maintenance requirements. However, they can be heavier, affecting the bike’s handling and maneuverability.
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