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Ebike ComparisonPurchase Guide Kingbull Voyager vs Himiway Big dog, how to choose your electric cargo bike. A cargo e-bike is an electric bike designed specifically for cargo transportation. It combines the flexibility of a traditional bike with the convenience of electric technology to carry large amounts of cargo with ease. As riders’ requirements for efficiency and environmental protection continue to increase, Kingbull electric bikes have gradually become people’s best choice. In this piece, we’ll compare the Kingbull Voyager to the Himiway Big Dog and compare their functional design, technical specs, and overall value for the rider. For those who are shopping for a cargo e-bike, comparing and contrasting these two e-bikes will help you make an informed decision to suit your preferences and needs. About Kingbull electric bikes Environmental protection, convenience and efficiency are the mission of Kingbull electric bikes. If you're looking for an electric bike to replace your car, consider Kingbull electric bikes. Kingbull is not merely about manufacturing and selling e-bikes but about offering a new lifestyle. We always believe that electric bicycles are more than just riding, they will become a part of our lives. We always design and manufacture more advanced electric bikes around this concept. We hope that Kingbull electric bikes are not only a tool for commuting, but can also help you complete public utilities, travel, camping, shopping, and more. Kingbull electric bikes have the best price/performance ratio. Our powerful motors and batteries can help you save more time and energy. Even if you try those steep and difficult slopes, the powerful torque of the motor allows them to negotiate them easily. In addition, Kingbull pays more attention to riding comfort. Our team is testing our electric bikes every day to improve every detail to give users the best experience. Kingbull Voyager - Dual battery electric cargo bike Kingbull Voyager provides greater loading capacity and stability. Whether it's public utility, commuting, or long-distance travel, Voyager delivers an unparalleled experience. Battery Voyager is equipped with a 17.5Ah large-capacity battery, which has powerful power to support daily commuting, public utilities, and long-distance travel. It can also be equipped with an optional additional battery, reaching an ultra-large capacity of 35Ah, and the driving range can reach more than 100 miles in dual-battery mode. Motor Kingbull Voyager has a 750W brushless motor that provides powerful torque. Whether you are driving on rough roads or climbing hills, it can provide strong support. Frame Made of 6061 all aluminum frame. Voyager's frame adopts a one-piece casting method, which provides stronger structural stability. The upgraded rear rack is more stable when loading cargo. Weight With a total weight of 77 lbs (including a battery), the Voyager is light among cargo e-bikes, allowing you to maneuver easily without feeling tired. Wheels Voyager has CST 20x4.0 fat tires that provide strong traction in various terrain environments. And we use road tread patterns, so the riding noise is smaller. Brake Hydraulic disc brakes provide greater safety and can brake in a very short time in sudden situations. Kingbull Voyager vs. Himiway Big Dog Kingbull Voyager and Himiway Big Dog are both excellent cargo e-bikes, how do you choose? Here’s a comparison of key features and specs: Market price The Himiway Big Dog has a street price of $2,099, and the Kingbull Voyager has a street price of $1,799. This is the price in October 2023 (it may be lower during holiday promotions). Battery Capacity Himiway Big Dog uses a 20Ah large-capacity battery to provide a strong battery life guarantee. The Kingbull Voyager's battery capacity is 17.5Ah, but it can be upgraded to 35Ah with extra batteries. Maximum range The cruising range of an electric bicycle is undoubtedly an important factor affecting the riding experience. The maximum range of the Kingbull Voyager is 60 miles, which can be upgraded to over 100 miles with the addition of additional batteries. Himiway Big Dog's high-capacity 20Ah battery can provide up to 80 miles of range. Weight and stability The Kingbull Voyager weighs 77 lbs and the Himiway Big Dog weighs 88 lbs. The stability of cargo electric bicycles is especially important, and Kingbull Voyoger provides a solution by upgrading the frame. Our one-piece raised rear frame provides great stability when loading cargo or people without tipping over due to weight. And the rear rack can carry up to 300 lbs. Feature Kingbull Voyager Himiway Big Dog Price $1,199.00 $1,999.00 Motor 750W brushless gear motor 750W brushless gear motor Battery 48V 17.5Ah lithium battery 48V 35Ah lithium battery 48V 20Ah lithium battery Range Up to 60 miles Up to 100 miles(Dual battery mode) Up to 80 miles Top speed 28 mph 28 mph Weight 77 lbs 88 lbs Frame 6061 Aluminum frame with integrated battery design 6061 Aluminum frame with integrated battery design Wheels 20″ x 4″ CST fat tires 20″ x 4″ Kenda fat tires Brakes 180mm hydraulic disc brakes 180mm hydraulic disc brakes Gears Shimano- 14-28T BROWN/BK Shimano- 14-28T BROWN/BK Conclusion The Kingbull Voyager and Himiway Big Dog are both excellent cargo e-bikes. If you’re considering a feature-packed, cost-effective cargo bike, choose the Kingbull Voyager over the Himiway Big Dog. Whether you're traveling long distances, using it for utility or daily commuting, Kingbull Voyager can provide you with the most unparalleled experience.Kingbull is committed to connecting electric bicycles with people's daily life and work, creating a new lifestyle that must be the most convenient, efficient and environmentally friendly. Read more

Tips & Cycling Knowledge Safety Guide For Electric Bikes As electric bikes become more popular, an increasing number of people are adopting this convenient mode of transportation. However, understanding how to ride electric bikes safely is crucial. According to surveys, from 2017 to 2020, the injury rate related to electric bikes in California increased by 70%, and there is a rising trend year by year. This indicates that as electric bicycles become widely popular and used, safety concerns regarding electric bikes are also intensifying. In order to raise awareness about electric bike safety issues, this article will delve into the topic, aiming to help you gain a better understanding of safety aspects associated with electric bikes. Common Causes of Electric Bike Accidents 1.Unfamiliarity With Electric Bike Operation: Many people may not be familiar with how to operate electric bikes, such as controlling electric assist, understanding how the brake system works, etc. This lack of familiarity can lead to accidental operation errors.2.Excessive Speed: Some electric bikes can reach relatively high speeds, especially in electric assist mode. Riders may fail to react promptly to traffic situations due to excessive speed, resulting in accidents.3.Disregarding Traffic Signals and Signs: Like cars, electric bike operators are required to obey traffic signals, signs, and rules. Ignoring traffic lights, stop signs, and turn indicators can lead to traffic accidents.4.Distracted Riding: Distracted riding is one of the leading causes of many traffic accidents, including using mobile phones, listening to music, engaging in conversations with others, etc. Such behavior diverts the rider's attention and reduces their focus on the road.5.Poor Road Conditions: Potholed roads, areas with standing water, ice-covered surfaces, and other adverse road conditions can cause electric bikes to lose control or skid, leading to accidents.6.Inattentiveness to Other Road Users: Riders may overlook the presence of other road users, including cars, bikes, pedestrians, etc. This lack of attention can result in collisions and accidents.Understanding and adhering to traffic rules, improving one's riding skills, maintaining the electric bike in good condition, and exercising extra caution in adverse weather conditions are key to reducing electric bike accidents. Safe riding and preventive measures are crucial to ensure the safety of riders and other road users. Dealing with Electric Bike Accidents In emergency situations, especially accidents or hazardous circumstances, it is crucial to remain calm, as staying composed aids in making wise decisions and handling the situation. Keeping a cool head and taking rational actions can help minimize accident-related injuries and ensure the safety of both yourself and others. You can relax yourself by taking deep breaths, as it swiftly calms both the body and mind, enabling you to make more rational judgments. In the event of an accident, ensuring your safety and the safety of others is paramount. Firstly, promptly dial emergency numbers such as 911 or local emergency services to report the accident and request assistance from paramedics and the police. Provide detailed information about the accident location and the number of injured parties. Before moving the vehicles, check yourself for injuries. Attempt to move your body, but refrain from doing so forcefully to avoid exacerbating potential injuries. Move the vehicles, if possible, to a safe location away from traffic lanes and other hazardous areas to prevent further collisions. If there are other individuals injured at the accident scene, you can assess their condition. If the injuries appear severe, avoid moving them haphazardly to prevent secondary harm. Check whether you or others have safety equipment such as warning triangles or fluorescent vests and use them to increase visibility, signaling other vehicles to slow down and proceed with caution. Every electric bicycle accident situation is unique, so the approach may vary. Regardless of the specific circumstances, it is essential to maintain a calm demeanor and immediately dial emergency numbers to ensure the personal safety of yourself and others. Preventing Electric Bicycle Accidents The safety of electric bike rides depends on various factors, and accident prevention is paramount. Here are some key methods to help riders prevent electric bike accidents: Wear a Helmet and Dress in Bright Clothing for Increased Visibility Wearing a helmet is a crucial step in protecting your head from injuries. Helmets should be worn correctly to provide optimal protection. Additionally, dressing in bright clothing and using reflective gear can make you more visible to other road users. This is particularly important when riding during dusk, at night, or in low visibility conditions. Obey Traffic Rules, Including Traffic Lights and Signs Adhering to traffic rules is essential for road safety and order. This includes stopping at red lights, following traffic signs, and obeying the direction of travel. Electric bike riders are expected to respect traffic regulations just like motor vehicles. Avoid Speeding and Adjust Speed According to Road Conditions and Traffic Electric bikes often have good speed potential, but riders should adjust their speed based on road conditions, traffic density, and weather factors. Avoid speeding, especially on busy streets or in areas with speed limits, to reduce the risk of emergencies. Avoid Distracted Riding, Do Not Use Phones or Headphones Distracted riding is a major cause of accidents. Avoid using your phone, wearing headphones, or engaging in other attention-diverting activities while riding. Stay focused on the road and traffic conditions to be able to respond promptly to potential hazards. Regularly Check the Electric Bicycle's Brakes, Tires, and Lighting System The safety of electric bikes relies on the proper functioning of critical components. Regularly check the brake system, tire pressure, wear, and ensure that the front and rear lights are working correctly. Maintaining the electric bicycle can reduce the risk of accidents caused by mechanical failures. Avoid Riding on Unsuitable Surfaces and Use Bike Lanes Riding on unsuitable surfaces, such as muddy trails or roads with fast-moving vehicles, can lead to instability and accidents. Riders should strive to use bike lanes to minimize contact with motor vehicles but also comply with lane-specific regulations and traffic rules.electric bike riders can reduce the risk of accidents by adopting these preventive measures to protect their safety and that of other road users. Adhering to traffic regulations, staying focused, regular bicycle maintenance, and wearing appropriate safety gear are key steps in ensuring safe riding. These practices will help prevent electric bike accidents and enhance your riding safety. Remember, safety always comes first when riding electric bikes. Summary The safety issues surrounding electric bicycle riding extend beyond individual behavior; they impact the safety of the entire community. Within our community, it is essential for every rider to establish a sense of safety consciousness. Only when the vast majority of individuals recognize the importance of safe riding can we genuinely reduce the occurrence of electric bicycle accidents. To achieve this goal, the community must actively engage in conducting more safety education activities and widespread awareness campaigns. This entails organizing additional safety riding workshops, promoting awareness of riding rules, and advocating for a culture of safety. Every member of the community needs to understand how to ride safely, not only for their own safety but also for the safety of others.Establishing a culture of safe riding within the community is not just a responsibility; it is a shared value. Only when all of us actively participate can we reduce the injury rate associated with electric bicycle accidents and ensure that our community becomes a safe, friendly, and enjoyable riding environment. Read more

MaintenanceTips & Cycling Knowledge How to Avoid Electric Bike Tire Punctures Imagine meticulously planning a trip, preparing your electric bike, and packing all the necessary items. Everything seems perfect as you embark on your journey. However, just when you've barely begun, at the most inconvenient moment, you discover that your electric bike tire has gone flat. You're left feeling helpless, not knowing what to do...So, this article is designed to prevent such a situation from happening. It will elaborate on how to avoid electric bike tire punctures. Electric bike tires are composed of several components: Tire Tread Tread Pattern: The bottom of the tire typically features various tread patterns, and the design of these patterns affects the tire's performance on different surfaces. For instance, mountain bike tires often have deep and rugged tread patterns to provide superior traction and stability. Commuter tires may have flatter tread patterns to reduce rolling resistance, while cargo bike tires may prioritize durability and stability.Sidewall: The sidewall is the tire's side, often bearing specifications and recommended pressure. The sidewall's structure can also impact the tire's performance and durability. Inner Tube The inner tube is the core component of the tire, typically made of rubber. It contains the inflated air, providing support and elasticity to the tire. The thickness and quality of the inner tube may vary depending on the type of tire. Casing The casing is a layer between the inner tube and the outer tire, often made of fiber materials such as nylon or polyester. The number of layers and material can influence the tire's structural strength and resistance to wear. For mountain electric bikes, a more robust casing is typically more suitable for tackling rough off-road trails. Bead The bead is located on both sides of the tire and serves to connect the tire to the wheel. Beads are usually made of steel wire or high-strength fibers to ensure a secure fit on the wheel rim. Valve Stem The valve stem is a small tube on the inner tube through which inflation and deflation occur. Different types of valve stems are used for various pressure systems, so it's important to match the correct valve stem type. Causes of Tire Deflation 1.Sharp Object Puncture: This is one of the most common causes of tire deflation. Sharp objects such as glass shards, nails, thorns, or stones can puncture both the outer tire and inner tube, leading to gas leakage. Once the tire is punctured, the gas in the inner tube rapidly escapes, causing the tire to go flat. This affects ride stability and performance. 2.Inner Tube Aging and Wear: Over time, the inner tube undergoes aging and wear. The inner tube material becomes brittle and prone to cracks or small holes. Aged and worn inner tubes are more susceptible to deflation. Small holes or cracks may form on the inner tube, resulting in gas leakage. 3.Improper Tire Pressure: Incorrect tire pressure, whether too low or too high, increases the risk of tire deflation. Improper tire pressure subjects the inner tube to additional stress. Insufficient pressure can lead to the tire being squeezed, making it susceptible to sharp objects on the road. Excessive pressure may cause the inner tube to burst or damage the tire. 4.Improper Installation or Maintenance: Incorrect tire installation, removal, or maintenance can damage the inner tube or cause it to function improperly. Incorrectly installing the inner tube can trap it between the spokes and the outer tire, increasing the risk of inner tube damage. Improper maintenance can also result in inner tube damage or sealing issues. 5.Bead Issues: The tire bead is a critical component that connects the tire to the wheel. If the bead is damaged or improperly installed, it may not effectively seal the tire, leading to gas leakage even if the inner tube is not punctured or damaged. 6.Extreme Riding Conditions: Riding in extreme conditions, such as extremely high or low temperatures, adverse road conditions, or repeated impacts, can increase the risk of tire deflation. Tire materials and inner tubes are subjected to additional stress under extreme conditions, leading to deflation issues. 7.Overloading：Excessive load: exceeding the designed load range of the e-bike will increase the load and pressure on the tires, increasing the chance of a flat tire. How to Properly Adjust Tire Pressure for Kingbull Electric Bike Tires Owning an electric bike equipped with "fat tires" can offer a great riding experience, whether for city commuting or off-road adventures. However, maintaining the correct tire pressure is crucial. Adjust tire pressure according to different riding conditions for a better and more comfortable riding experience. 1.Soft Terrain (such as sand or snow): Keep the pressure between 18 and 20 PSI to ensure better traction and comfort. 2.Daily City Riding or Paved Roads: Maintain the pressure between 20 and 25 PSI to reduce rolling resistance and improve efficiency. 3.Heavy Loads or Long-Distance Riding: Keep the pressure between 25 and 30 PSI to ensure tire stability and durability. Choosing the Right Electric Bike Tires for Different Types of Electric Bikes Mountain Electric Bikes Mountain electric bikes are typically used for rugged off-road and mountainous terrain. Therefore, selecting the right tires is crucial. Mountain electric bike tires are usually wider, with widths ranging from 2.2 inches to 2.5 inches, to provide ample contact area and enhance stability. Ensuring excellent traction and maneuverability across various terrains and conditions is important. Choose mountain bike tires with deep and rugged tread patterns and sturdy casings. This type of tire offers outstanding grip and slip resistance, suitable for uneven surfaces like dirt trails, mud, and gravel roads. Commuter Electric Bikes Commuter electric bikes are primarily designed for city riding, often on smooth road surfaces. Their tire widths typically range from 1.5 inches to 2.0 inches and feature flatter tread patterns to reduce rolling resistance. This design allows for swift and stable riding, enhances efficiency, and adapts well to urban road conditions. Commuter tires usually provide good stability and comfort, promoting a smooth ride. Cargo Electric Bikes Cargo electric bikes are used for transporting significant loads or passengers, demanding durable and stable tires. Sturdy cargo transport tires, with widths typically ranging from 2.0 inches to 2.5 inches, are suitable for carrying heavy loads. These tires feature robust sidewalls and wear-resistant tread patterns, ensuring adequate support and stability while accommodating substantial cargo.When selecting tires, it's essential to consider riding conditions such as weather, road surfaces, and usage. Different tire types and characteristics will provide the best riding experience in various circumstances. Methods to Prevent Electric Bike Tire Deflation Regular Tire Inspection: Perform tire inspections on a weekly basis or before every ride. Examine the tire's exterior for potential punctures, scratches, or foreign objects. If sharp objects are found, promptly remove them to prevent punctures. Pay attention to the tire's sidewalls and casing for visible signs of damage. Ensure that the tire's internal pressure falls within the manufacturer's recommended range. Proper inflation helps reduce the risk of tire deflation and provides better riding performance and comfort. Choose Appropriate Tire Types: Selecting the right tire type is crucial based on the type of electric bike and your riding requirements. Different types of electric bikes require different tire types to meet their performance, stability, and comfort demands. Avoid Riding in Harsh Conditions: Try to steer clear of harsh riding conditions, such as areas with sharp rocks, broken glass, or dense nails. Opt for smoother roads to minimize the risk of tire damage. Use Leak-Preventing Materials: Tire sealant, often in the form of liquid or gel, is typically made of latex, polymers, or other high-molecular-weight materials. It is injected into the inner tube, filling the inner tube space. When the tire is punctured by sharp objects, these sealants are pushed into the small holes or cracks and rapidly solidify. This effectively seals the leaks, preventing gas leakage and maintaining tire pressure.Installation of tire sealant usually involves removing the inner tube, injecting the sealant, and then reassembling the inner tube. Ensure proper installation following the product instructions. While it can automatically repair tire deflation issues, it is still advisable to perform regular tire checks and maintenance for safe riding. Summary Understanding the composition of electric bike tires and the causes of deflation, as well as choosing the right tire type, is crucial for a smooth ride on electric bikes. Additionally, regular tire inspection and maintenance, along with adherence to preventive measures, will help reduce the risk of tire deflation. 超载：负载过大：超过电动自行车的设计负载范围，会增加轮胎的负载和压力，增加爆胎的机会。 Read more

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