Power Assist Bicycles
Power assist is what makes all our bikes, e-bikes! It gives you an extra boost when you are pedalling, to make it effortlessly easy and get you where you need to be. Our bikes use a cadence sensor, which is one of the most common sensors found in ebikes. A cadence sensor turns the motor on as you rotate the pedals, and stops when you stop. Once the bike is turned on, this motor will kick in anytime you get moving, and you can use the buttons on the controller to choose the level of assistance you need.
Product Introduction
Company Profile
Wuxi Boshenglian International Trading Co., Ltd. is a professional company specializing in the international trade of motorcycles, electric vehicles, accessories and modified parts. The company was formerly known as Wuxi Celima Vehicels Co., LTD. Founded in 1995, in 2001 began locomotive, mechanical and electrical international trade business. So far has more than 20 years of locomotive production and trade experience. After years of development, the company covers an area of more than 100 mu, construction workshop of more than 40,000 square meters, a number of motorcycle and electric vehicle production lines and vehicle testing lines, the annual vehicle production capacity of 300,000 units.
Why Choose Us
Our factory
After years of development, the company covers an area of more than 100 mu, construction workshop of more than 40,000 square meters, a number of motorcycle and electric vehicle production lines and vehicle testing lines, the annual vehicle production capacity of 300,000 units. There are 630 employees and more than 180 professional and technical personnel. Has a special technical testing center, engaged in product design, development and testing, for the development of enterprises and production and sales to provide a strong guarantee.
Our Product
Two wheeled motorcycle: Riding Bike, Scooter, CUB, Cruise motorcycle, Street motorcycle, Racing motorcycle, Cross motorcycle, ADV,Rally motorcycle . Three-wheeled motorcycle: cargo tricycle, passenger tricycle. Electric vehicle: E-bike, E-scooter, Takeaway electric vehicle, E-motorcycle, High-speed electric motorcycle, Electric off-road vehicle, Lithium power bicycle, Electric tricycle, etc. Special vehicles: ATV, UTV, Seld,Generator, etc.
Production equipment
Vehicle assembly line: 8; Vehicle detection line: 5; Packing line: 5 pieces. Salt spray test box, tension testing machine, dynamometer vibration test bench, industrial coordinate measuring instrument, fatigue testing machine, flow tester, laser cutting machine.
Our service
Control production quality and production schedule strictly in accordance with customer requirements and technical quality regulations. Deliver on time with quality and quantity guaranteed. For product quality and technical feedback in the market, we will actively respond to, timely reply and immediately deal with. We will provide the spare parts needed after sale in time. When necessary, it will send after-sales technical support personnel deep into the market for processing.
Urban Commuter Electric Bicycle
Urban Commuter Electric Bicycle is your transportation tool, attractive and comfortable; it is your work partner, simple and convenient; it is an urban commuter electric bicycle. It can easily shuttle through city streets and be adaptable enough to walk through the enormous sea of automobiles.
Travel Electric bicycle are particularly adaptable for daily riding. Even in the event of emergency braking, the lighter nature of the vehicle enables the driver to easily stabilize the body in the flow of people that is also leisurely.
Urban electric executive vehicle that goes above and beyond the call of duty is the electric bike with pedals. Its appearance and configuration make it more contemporary and useful, and innovation technology increases its competitiveness in the economics of use. Fashion economy is a terrific partner for adding color to your life because it can both satisfy your heart and stick by you during the stable, everyday years.
Women's Electric City Bike gives us a superb overall impression in terms of both appearance level and performance, whether it's the texture of the workmanship or the practicality of commuting. Despite its classic style and small size, the ladies's Electric City Bike is more suited for young, trendy metropolitan ladies. We will be able to provide consumers a new trustworthy option thanks to our amazing performance and outstanding look design.
Battery Capacity:48V12ah/48V20ah
Specification:145*32*90CM
Origin: China
Production Capacity:10000/Month
What Is Power Assist Bicycles
Power assist is what makes all our bikes, e-bikes! It gives you an extra boost when you are pedalling, to make it effortlessly easy and get you where you need to be. Our bikes use a cadence sensor, which is one of the most common sensors found in ebikes. A cadence sensor turns the motor on as you rotate the pedals, and stops when you stop. Once the bike is turned on, this motor will kick in anytime you get moving, and you can use the buttons on the controller to choose the level of assistance you need.
Advantages of Power Assist Bicycles
If you're looking for a new way to commute to work but cycling at a high intensity would leave you way too hot, bothered and sweaty to slip into the office once you've arrived, a pedal assist e-bike could be the perfect solution. You'll still be able to cycle to work, but you won't arrive at the office a hot sweaty mess! Thanks to the assist mode, you'll exert just that little bit less energy on your way – enough to keep you dry and ready for those meetings right away.
Conventional bikes are a great way to get around if you're surrounded by flat roads, but if your surroundings are a little choppier then you might want a little boost every now and then. Pedal assist e-bikes can get you through terrain that might require a little more effort than just pedal power alone - whether that's gravel or a dirt road.
There is nothing worse than enjoying a lovely ride and then hitting an unexpected hill of doom. Ever been halfway up only to question whether your legs can take you all the way? With pedal assist you'll never have to worry about making it to the top, get that 'assist' mode on your side and you'll be over the top before you know it – minus the lactic acid build up in your legs!
Pedalling yourself around town even with assist mode can be a great workout. Not only does the pedalling – just like with a conventional bicycle – work wonders for your core muscular endurance in the legs, but it's still a challenge for the heart and lungs, making it a popular choice for anyone after a little cardiovascular exercise. You can also choose your level of assist depending on how much work you feel like doing that day.
For the environmentally conscious who want to choose a mode of transport that has little impact on our planet, but can't quite commit to fully cycling to and from work, electric bikes are a perfect compromise that can help you get further than a regular bike could, but harm the earth a considerable amount less than driving a car. You're able to cover far more distance than a regular bike, which means if your workplace is too far to cycle, walk or run, the electric bike has you covered.
Sensing technology
Pedal-assist e-bikes are equipped with sensors that detect the rider's pedaling motion and speed. These sensors are typically located near the crankset or the rear wheel hub. The most common types of sensors used in pedal-assist e-bikes are: Cadence sensor: This type of sensor measures the rotation of the crank arms and detects the speed at which the rider is pedaling. It sends signals to the motor controller to activate the electric assistance. Torque sensor: Torque sensors detect the amount of force applied by the rider while pedaling. They measure the pressure or torque exerted on the pedals, providing a more intuitive and responsive level of assistance. The motor controller adjusts the power output based on the rider's pedaling effort. Combined sensor systems: Some e-bikes utilize a combination of cadence and torque sensors to provide a more sophisticated and accurate assistance system. This combination allows the motor controller to provide assistance that is proportional to both the speed and force exerted by the rider.
Assistance modes
Pedal-assist e-bikes typically offer multiple assistance modes or power levels. These modes can be adjusted by the rider based on their desired level of assistance. Common assistance modes include: Eco mode: This mode provides minimal assistance, optimizing the battery life and promoting a more natural riding experience with a lighter electric boost. Normal mode: Also known as the standard mode, it offers a balanced level of assistance for everyday commuting and recreational riding. Sport mode: This mode delivers higher levels of assistance, allowing riders to tackle hills and cover longer distances with less effort. Turbo mode: Turbo mode provides maximum assistance, offering a powerful boost for challenging terrain or when riders require additional speed and acceleration.
Motor controller and power delivery
When the sensors detect the rider's pedaling motion and speed, the information is sent to the motor controller, which regulates the power delivery from the electric motor to the drivetrain. The motor controller adjusts the assistance level based on the chosen mode and the input from the sensors.
Seamless integration
Pedal-assist e-bikes are designed to seamlessly integrate the electric motor and battery into the frame and drivetrain system. The motor is usually located near the bottom bracket or in the rear hub, while the battery is typically integrated into the downtube or rear rack. This integration ensures optimal weight distribution, stability, and a more natural riding experience.
Safety and compliance
Pedal-assist e-bikes are designed to comply with local e-bike regulations and legal requirements. They usually have speed limits (typically around 20-28 mph or 32-45 km/h, depending on the region) to maintain safety and prevent excessive speeds. By combining the rider's pedaling efforts with the assistance from the electric motor, pedal-assist e-bikes provide a harmonious and efficient riding experience.
Types of Power Assist Bicycles Systems
Cadence sensing pedal assist
Cadence sensing pedal assist systems, or torque sensors, are becoming more and more popular on electric bicycles. As the bike's motor detects pedaling force based on the rider's cadence, it is able to react almost instantly. This type of system gives riders better control of their power output and acceleration than any other kind of electric bike pedal assist system. The motor gears spin as you pedal to provide a smooth ride experience with constant power output. When the rider stops pedaling, the motor is still active but its power output is reduced for a smooth transition into off-power mode. The cadence sensing function ensures that the bike will never over-power itself or the rider's cadence. This type of system also maximizes energy efficiency and minimizes battery drain while pedaling so riders can get more miles out of a single charge. This type of pedal assist system can also be programmed to adjust how much assistance it provides based on your desired ride style. Some systems allow you to select different levels of assistance that can range from conservative riding styles to performance-seeking motors that deliver maximum power at all times while allowing you to tailor your own individual level of assistance based on your preferences. This ability helps riders discover their ideal level of comfort and helps them make even better use out of their electric bicycles by finding their preferred combination settings for speed, torque and electricity levels easily and quickly without having any prior knowledge about electric bikes or motors in general!
Torque sensing pedal assist
Torque sensing pedal assist systems measure your pedaling power output and provide assistance in proportion to your effort. The harder you pedal, the more assistance the bike will provide. Such systems are similar to hub-based motors because they send their power through the chaindrive instead of direct to the wheel, but they tend to be more efficient and offer more natural performance. Unlike simplified hub motors, sophisticated torque sensing systems allow for different levels of assist depending on how much power a rider wants to put in - from lightly assisted pedaling up to full motorized riding. The electronic torque sensor itself is installed into the bike's crankset so that it can measures each rotation of a single crankarm and adjust power accordingly. Such systems also may include cadence or cadence/speed sensors that help optimizes assist for maximum efficiency. They may even include temperature or current sensors for added protection against overheating or overloading due too aggressive riding conditions, making them ideal for mountain biking or other high-power activities.
Speed sensing pedal assist
Speed sensing pedal assist is a type of electric bike power system that helps cyclists ride with more ease and comfort. This system uses a speed sensor mounted on the bicycle's hub to detect the bicycle's speed, and then adjusts the motor's power accordingly. Generally, this type of system is most commonly used on hybrid or mountain bikes. A cyclist using a speed sensing pedal assist electric bike must first determine their desired power level for the ride. Some systems also let riders adjust individual settings such as power levels and overall power output for each gear. After this has been set, the system uses its own sensors to detect how fast the bike is pedaling and amps up or amperage depending on how much help the cyclist needs at that moment in time. The benefit of a speed sensing pedal assist system compared to other types of electric bike systems is its ability to account for changes in terrain or road irregularities that may require more motor torque than originally planned. By detecting these changes and providing an increase in amperage when needed, it ensures that cycling remains comfortable even when riding over rough terrain or up steep hillsides.
Levels of Assistance: Understanding the Power Assist Bicycles Various Assistance Modes
Eco mode
Eco mode provides the lowest level of electric assistance. It is designed to prioritize energy efficiency and promote a more natural riding experience. In this mode, the motor delivers a modest amount of power, allowing riders to conserve battery life and extend their e-bike's range. Eco mode is suitable for riders who prefer a lighter electric boost, enjoy a higher level of physical exertion, or aim to maximize the efficiency of their e-bike's battery usage. Extended range: The minimal electric assistance helps riders cover longer distances on a single battery charge. Energy efficiency: By reducing power output, riders can conserve battery life, making it ideal for longer rides or when access to charging is limited. Fitness benefits: The lighter assistance level encourages more physical effort, providing a workout similar to traditional cycling.
Normal mode
Normal mode, also known as standard mode, offers a balanced level of electric assistance. It provides a comfortable and versatile riding experience for everyday commuting, recreational riding, and various terrains. Normal mode strikes a balance between energy efficiency and enhanced performance, delivering a moderate electric boost to complement the rider's pedaling efforts. Versatility: Normal mode offers a well-rounded assistance level suitable for a wide range of riding conditions, from urban streets to light off-road trails. Comfortable commuting: Riders can effortlessly navigate city streets, tackle mild inclines, and maintain a steady cruising speed, reducing fatigue during daily commutes. Moderate battery consumption: The assistance level strikes a balance between range and performance, providing an optimal combination of battery usage and power output.
Sport mode
Sport mode provides a higher level of electric assistance, catering to riders who seek a more dynamic and spirited riding experience. This mode delivers increased power output, allowing riders to conquer steeper hills, navigate challenging terrains, and maintain higher speeds with less effort. Enhanced performance: Sport mode offers a substantial electric boost, making it ideal for riders who want to tackle more demanding routes or enjoy a quicker pace. Hill climbing capability: The increased power output helps riders conquer steep inclines and challenging hill climbs, allowing for a more enjoyable and effortless ascent. Improved acceleration: Sport mode provides rapid acceleration, making it easier to merge into traffic or navigate busy intersections.
Turbo mode
Turbo mode delivers the highest level of electric assistance available on most pedal-assist e-bikes. It offers maximum power output, resulting in a significant boost to the rider's pedaling efforts. Turbo mode is designed for riders who require exceptional performance, such as those tackling extreme terrain or seeking a thrilling and exhilarating riding experience. Extreme performance: Turbo mode provides the most substantial electric boost, enabling riders to tackle the most challenging terrain, including steep hills, rugged off-road trails, or demanding riding conditions. Maximum speed: The higher power output allows riders to achieve and maintain higher speeds, making it suitable for riders who prioritize speed and acceleration. Quick response: Turbo mode delivers immediate and strong assistance, ensuring rapid response to the rider's pedaling input.
It's important to note that the specific assistance levels and their names may vary among different e-bike models and manufacturers. However, the general principles and benefits of each assistance mode remain consistent across most pedal-assist e-bikes. When considering an e-bike, it's essential to test ride different models and experiment with the various assistance modes to find the perfect balance that aligns with your riding style and needs. The different levels of assistance available in pedal-assist e-bikes provide riders with the flexibility to tailor their riding experience to their preferences. Whether you prefer a more natural and energy-efficient ride in eco mode, a well-rounded performance in normal mode, a dynamic and spirited experience in sport mode, or maximum power and thrill in turbo mode, there is an assistance level for every rider and every riding scenario.
Precautions for Using Power-Assisted Bicycles
If your bike is not pedal assisting, there are a few things that could be going on. Please note, this is for if you do not have pedal assist but do have throttle still.
For a bike not pedal assisting, the first thing we want to check is the pedal assist sensor itself. The sensor works with 2 main parts: the sensor itself and the magnet wheel. What can commonly happen is the magnet wheel can slide on the axel and get too far from the sensor. It should be right against the sensor. So look at the crank of your bike and check to see the positioning of the magnet wheel and if it is far from the frame of the bike, just slide/push it back into place. This should solve most of the pedal assist issues.
If the magnet wheel is already close to the sensor or the pedal assist did not come back after moving it closer, then there is something else going on. The next thing we would check is to see if the pedal assist sensor light is turning on or not. Right next to the frame near the magnet ring, you will see a little silver ring with a box on it. This box has a little red light that turns on when there is power to it. If this light is not on or does not turn on when the pedals move, then there is no power going to the pedal assist sensor, or the sensor is broken.
From here, your best option is to replace the pedal assist sensor. Similar to the LCD Display, there is not much extra testing that can be done except plug a new one in the end and see if it works. If it works, then a pedal assist sensor is needed. If it still does not work, then a new controller is needed.
How to Maintenance Power Assist Bicycles
Unsurprisingly, e-bike riders are eager to see how far they can travel before their battery runs out of power, so it's critical to charge and ride wisely. The good news is that extending the range of your electric bike battery and to aid e-bike maintenance is a simple process. When you have the opportunity, charge the battery. As much as possible, use eco mode.Take note of wind resistance.
Charging
Because batteries can be recharged thousands of times, even frequent riders will get several years of use before needing to replace a battery. So, charge the battery whenever an outlet is available. For this reason, commuters may keep a separate charger at work. It is preferable to store the battery with a 30% to 60% charge for long-term storage (check your 5 manual for details). It's also worth noting that cold temperatures can quickly drain the lithium-ion batteries used in e-bikes, so keep your battery (or the bike if the battery isn't removable) in a warm place whenever the temperature drops.
Riding
Eco mode (or whatever your bike's lowest assist level is called) extends battery life. Turbo, on the other hand, quickly depletes it. A higher cadence (faster pedal rotation) is also a more efficient way to ride. One needs to understand the basics of e-bike maintenance for a long-lived e-bike life.
Wind resistance
Even on a calm day, you encounter wind resistance simply by moving forward. The effect is roughly exponential, which means that increasing your speed from 10 mph to 15 mph (by 50%) requires double the energy output (which you and your battery provide on an e-bike) to compensate for the increased wind resistance. So, if you're nearing the end of your battery's range, slowing down can help you ride farther on less juice. Of course, there is nothing you can do to counteract the effects of a naturally occurring headwind-just be aware that it will drain your power more quickly if you want to maintain a given speed.
Battery handling
Because batteries are heavy and expensive, use caution when attaching and detaching them. Always follow the battery care and charging instructions provided by the e-bike manufacturer. (a faulty battery can also produce dangerous levels of heat.
Keep your tires in good condition
E-bikes are significantly heavier than traditional bikes due to the addition of a motor and a battery, thus e-bike maintenance is a task. It also has a stronger frame to support those components. As a result, it's critical to have a good set of tyres underneath your e-bike: Maintain proper tyre inflation. Before each ride, check psi levels and top off tyres because underinflated tyres do not roll efficiently or support your bike well. Understand how to repair a flat. Flat repair on a bike with a mid-drive motor is the same as it is on a traditional bike. Hub-drive motors, on the other hand, are more complicated, requiring you to understand how to disconnect and reconnect all of the electric connections involved.
Keep your brakes in good condition
A bike that is both heavy and fast (which is almost all e-bikes) must have adequate stopping power: Check and adjust the brakes on a regular basis. Look for obvious issues like loose parts or excessive rotor and pad wear before each ride. Perform a more thorough brake inspection in between rides. If you're not comfortable performing maintenance after the examination phase, have your shop inspect and repair your brakes. Replace brake pads and rotors as soon as possible. Check the manufacturer's specifications for the wear level that indicates
Keep your chain in good condition
Because of the mass and speed of an e-bike, your chain experiences a high level of general wear and tear. It is one great tip for your e-bike maintenance. Chains can only be so beefy due to tolerances within drivetrain components.
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