General Questions

What is Kingsong's relationship to Top-feel?

Topfeel is the official website of KingSong, which will be launched to all retail customers in 2023 and will be managed directly by KingSong.

What is an EUC?

An EUC, or Electric Unicycle, is a one wheel electric vehicle that is powered by a battery. Riders control the movement by leaning forward or backward to accelerate or decelerate, and they can also tilt to steer. EUCs are popular for urban commuting and recreational use due to their portability and eco-friendly design. They offer a unique riding experience and can be a fun alternative to traditional modes of transportation.

How does the electric unicycle work?

Electric unicycles (EUCs) use a single wheel powered by a motor and battery, allowing riders to control speed and direction by leaning. Key components include gyroscopic sensors and accelerometers that help maintain balance, while the control system adjusts motor speed based on the rider's movements. Safety features, such as speed alarms and tilt-back mechanisms, enhance rider security. Overall, EUCs combine advanced technology and mechanics for efficient personal transport.

How to ride electric unicycles?

To ride an electric unicycle, start by choosing the right model and wearing protective gear. Find a safe, open space to practice. Mount the unicycle by placing one foot on the platform and using the other to push off. Maintain balance by keeping your body upright and leaning slightly forward to accelerate. For turning, lean in the direction you want to go, and to stop, lean back and reduce your weight. Practice regularly, stay relaxed, and learn to fall safely for a smoother learning experience.

How to choose an electric unicycle?

When choosing an electric unicycle, consider your riding experience, weight capacity, range, top speed, and wheel size. Look for durability, battery life, and any additional features like lights or smartphone connectivity. Set a budget and check the warranty and customer support options. If possible, test ride different models to find the best fit for your needs.

Which is the best electric unicycle?

The "best" electric unicycle can depend on your needs and preferences.

  • King Song 14D: A more budget-friendly option, ideal for beginners. It’s lightweight and easy to handle, making it great for short commutes.
  • King Song 16X: Offers a good combination of speed, range, and features like Bluetooth speakers and customizable lighting. It’s a great option for both commuting and leisure riding.
  • King Song S16/S19/S22/F22: Features a unique suspension system, providing a smoother ride over rough terrain. It’s suitable for those looking for comfort and versatility.
What is the best EUC for beginners?

For beginners looking to start with electric unicycles (EUCs), our King Song 14D is a excellent choice due to its stability and user-friendly features. For a budget-friendly option, you can also consider our Kingsong 16S (KS-16S). They are both best choices for EUC beginners.

How much is an EUC?

The price of an electric unicycle (EUC) can vary widely based on the model, features, and brand. Here’s a general range:

  • Budget Models: Around $300 to $1000. These are usually more basic and suitable for beginners or short commutes.
  • Mid-Range Models: Typically $1000 to $2500. These offer better performance, features, and build quality, making them suitable for more serious riders.
  • High-End Models: $2,500 and up. These unicycles often have advanced features like high speed, long range, and suspension systems, catering to enthusiasts and long-distance riders.

Always check for sales or second-hand options, as prices can fluctuate based on demand and availability!

What is the cost of ownership of an EUC?

The cost of ownership for an electric unicycle (EUC) includes several factors beyond the initial purchase price:

  1. Maintenance and Repairs: While EUCs are generally low-maintenance, you may need to replace tires or perform occasional repairs. Budget around $50 to $150 per year for maintenance.
  2. Insurance: Depending on where you live, you might want to consider insurance for theft or accidents. This could range from $100 to $300 annually.
  3. Accessories: Helmets, protective gear, and other accessories can add to the initial costs. Expect to spend anywhere from $50 to $200 for quality gear.
  4. Charging Costs: Electricity costs for charging are generally minimal, often just a few cents per charge. Depending on how often you ride, this could be around $20 to $50 per year.
  5. Depreciation: Like any vehicle, EUCs lose value over time. If you plan to sell it later, consider this when calculating overall ownership costs.

Overall, you might estimate a yearly cost of ownership (including maintenance, insurance, and accessories) to be around $200 to $500, depending on your usage and preferences.

Can I ride Electric Unicycle on the traffic road?

Yes, you can ride an electric unicycle (EUC) on the road, but there are a few considerations:

  1. Local Laws: Check your local regulations, as laws governing the use of EUCs can vary by location. Some places may have specific rules about where they can be ridden (e.g., bike lanes, sidewalks, or streets).
  2. Safety Gear: Wearing a helmet and protective gear is highly recommended, especially when riding on roads, to protect against accidents.
  3. Traffic Awareness: Be mindful of traffic, obey road signs, and signal your intentions like any other vehicle. Riding defensively is crucial for your safety.
  4. Road Conditions: Make sure the road surface is suitable for riding. Potholes, debris, and uneven surfaces can pose risks.
  5. Speed: Be aware of your speed and control, especially in mixed traffic. EUCs can reach high speeds , so riding responsibly is important.

As long as you adhere to local laws and prioritize safety, riding an EUC on the road can be a fun and efficient way to get around!

EUC’s and Safety

Are Electric Unicycles Safe?

Electric unicycles (EUCs) can be safe when used properly, but there are some important factors to consider:

  1. Rider Experience: Skill level plays a significant role in safety. Beginners should take the time to practice in a safe environment before venturing into busy areas or rough terrain.
  2. Protective Gear: Wearing a helmet, knee pads, elbow pads, and wrist guards can significantly reduce the risk of injury in case of falls.
  3. Road Awareness: Being aware of your surroundings and following traffic rules is essential. Watch out for obstacles, pedestrians, and other vehicles.
  4. Speed Control: EUCs can reach high speeds, so it’s crucial to know your limits and ride at a speed appropriate for your skill level and the environment.
  5. Maintenance: Regular maintenance, including checking tire pressure, brakes, and battery condition, can prevent mechanical failures that could lead to accidents.
  6. Environmental Conditions: Be cautious in wet or slippery conditions, as they can affect grip and control.

While EUCs can be safe and enjoyable, riders should always prioritize safety by being prepared, wearing appropriate gear, and riding responsibly.

How fast do electric unicycles go?

Electric unicycles (EUCs) can vary significantly in speed depending on the model and its specifications. You can check the speed when you are choosing them.

But,please,it's important to note that speed capabilities may also depend on rider weight, terrain, and battery condition. Always prioritize safety and ensure you're comfortable with your EUC's speed before riding in traffic or busy areas.

Should I wear gloves when riding my electric unicycle?

Wearing gloves while riding your electric unicycle (EUC) is a good idea for several reasons:

  1. Protection: In case of a fall, gloves can help protect your hands from scrapes and abrasions.
  2. Grip: Gloves can provide better grip on the unicycle, especially if your hands tend to sweat. This can enhance control and comfort during rides.
  3. Weather: If you're riding in cold or wet conditions, gloves can keep your hands warm and dry, improving overall riding comfort.
  4. Impact Resistance: Some gloves are designed with padding or reinforced areas, providing extra protection against impacts.

While wearing gloves isn't mandatory, they can enhance your safety and comfort while riding. Consider choosing gloves specifically designed for biking or skating, as they often provide the right combination of protection and dexterity.

Do you need a helmet when riding an Electric Unicycle?

Yes, wearing a helmet when riding an electric unicycle (EUC) is highly recommended for safety reasons. Here are a few key points:

  1. Head Protection: In the event of a fall or collision, a helmet can significantly reduce the risk of head injuries.
  2. Legal Requirements: In some areas, wearing a helmet while riding an EUC is mandatory. Check local laws to ensure compliance.
  3. Peace of Mind: Wearing a helmet can give you more confidence while riding, allowing you to focus on the road and your surroundings.
  4. Safety Culture: Using protective gear like helmets promotes a culture of safety, encouraging others to prioritize their well-being while riding.

Overall, investing in a good-quality helmet is a smart decision that can help keep you safe while enjoying your rides!

EUC Maintenance

How do I clean my electric unicycle?

Use a damp cloth to wipe down the body of the unicycle, avoiding direct water spray or soaking. Pay special attention to the battery and motor areas, keeping them dry to prevent moisture from damaging internal components. Avoid using harsh chemicals or abrasive materials.

What should I know about battery maintenance?
  • Storage: Avoid storing the battery fully discharged for extended periods. It's recommended to store it with a charge level between 50% and 80%.
  • Charging: Perform a full charge-discharge cycle every three months to maintain battery performance.
  • Temperature: Avoid using and charging the battery in extreme temperatures (below -10°C or above 45°C) to prevent damage and reduce lifespan.
How often should I check the tires?

Check the tire pressure once a month to ensure it remains within the recommended range (usually indicated on the tire sidewall). Additionally, inspect the tires for signs of significant wear, cracks, or punctures. Replace the tires promptly if any damage is detected to ensure safe riding.

Does the electric unicycle’s suspension need maintenance?

For models equipped with suspension systems (such as S18 or S22), regular inspection is necessary:

  • Leak Checks: Look for any signs of oil leaks in the suspension components.
  • Noise Inspection: Listen for unusual noises that may indicate wear or damage.
  • Professional Service: If any issues are detected, contact a professional service center for adjustment or replacement of suspension parts.
How can I protect my electric unicycle in winter?
  • In cold environments, battery performance may temporarily decrease; this is normal.
  • Store the unicycle indoors when not in use to avoid prolonged exposure to low temperatures.
  • Ensure the charging environment temperature is above 0°C to avoid damaging the battery.
Does my electric unicycle require regular maintenance?

Yes, it is recommended to perform a comprehensive check every 3-6 months, including the battery, tires, brakes, and electrical system. For frequent use, shorten the maintenance interval accordingly.

How can I extend the lifespan of my electric unicycle?
  • Avoid overloading the unicycle; always adhere to the manufacturer's weight limit.
  • Ride on smooth surfaces when possible to reduce wear on tires and suspension.
  • Keep the device clean and store it in a dry, cool place when not in use.
  • Regularly update the firmware if your unicycle supports it, as manufacturers often release updates to optimize performance.

Order

What happens after the payment is made?

You will receive an order confirmation email. We will then arrange for your order to be shipped within 24-48 hours.
We will arrange shipment for you from KingSong main warehouse with perfect products after repeated testing.

Do you charge for delivery?

For shipments to the United States and Canada, delivery will be provided for orders over $500.

When will I receive my purchase invoice?

You will receive your purchase invoice by e-mail 48h maximum after the products are picked-up by the carrier. If you need it faster, please contact us and we’ll make sure to help.

Please keep your purchase invoice in order to benefit from the warranty.

Will you provide a tracking?

Yes, we will provide a tracking number so you can see our logistics information throughout.

What should i do when i receive my package(s)

You need to verify your package(s) during the delivery in presence of the delivery person. If something is damaged, we advise you to immediately put a comment on the delivery note describing the issue, to take a photo of the said note and to immediately contact us. Please note that no claim will be accepted after the delivery if no such comments are made on the delivery note.

Customer Support

Do you offer a warranty?

Yes, two years on the electronic components and the frame, one year on the battery.

Do you offer after-sales support?

Contact us if you have any questions or maintenance issues with your unicycle at info@top-feel.com.

My question is not on the FAQ.

Please send us and email at info@top-feel.com. We will be more than happy to help you.

Are EUCs legal?

Each country has different laws and regulations for personal electric vehicles. We recommend that you check your local laws before purchasing such a device. Participants in the world forum forum.electricunicycle.org wrote the document that you could find here, and we cannot be sure if what is written in it is up to date.

https://docs.google.com/spreadsheets/d/1xgCTmNf7e2NzRWzMMsX19YQW9pGEMtPJM3KXfz19DZg/edit?usp=sharing

How do i preserve my battery?

Some recommendations :

  • Fully charge your battery before using your product the first time.
  • Try to not charge your battery while the battery level is above 50%.
  • Don’t overpower the BMS with ultra-fast chargers (10A+).
  • Avoid battery’s contact with water.
  • Do not store your scooter in humid environments.
  • A machine with good suspensions will preserve the battery better because it absorps the shocks.

Top-feel X KS S9

Why make an S9?

We have found that no EUC on the market today is intended for beginners. So the learning process is always accompanied by wrestling and pain, so we gave birth to the S9.
This little guy that looks like a toy is the perfect tool for you to enter the world of EUC, with unrivaled safety to ensure you can complete the novice tutorials with peace of mind and enjoy the envy of others!

What is the leather of the S9 ”basketball“ made of?

Like the basketball, it is made of PU leather and added with special waterproof, abrasion-resistant and mold-resistant treatment.

Is S9 "basketball" for kids?

Yes, it's for all kids, and all riders new to EUCs.
And we are CPC and GCC verified, so feel free to use your big toy!

How much weight can the S9 "basketball" carry?

180 lb.

Is S9 "Basketball" beginner friendly?

It's the most beginner-friendly EUC on the market today, and we've added a removable directional wheel, which means you'll never fall off the "basketball".

KS S22 PRO

What were the most common problems on the S22 & have they now been addressed?

The S20/S22 was first unveiled in August 2021, it had a delayed & troubled introduction with several systemic issues with the motor, lack of firmware optimization, poor slider mechanism design, bolts that were prone to stripping when carrying out routine tire/tube changes, & a high rate of charger failures. Through the use of upgraded 3rd party sliders & suspension arm bolts, & now with the latest 4th generation of motor (yes, it has taken King Song 4 attempts!), based on the current defect statistics, there is finally confidence that the present S22 has a high degree of reliability & durability.  

Have the controller and MOSFETs changed?

The architecture of the controller is the same as when it was originally released. Depending on power supply constraints, King Song may use 125V or 150V FETs on the board, with the higher 150V chip having a lower 45A peak specification and the 125V FET having a 100A peak specification - 16 MOSFETs are arranged in a 2x H on this controller - bridge configuration with a maximum peak/burst output of 9,000W. The maximum peak/burst output is 9,000W.

Does the "PRO" 4KW motor consume more power than the stock 3.3KW motor under similar conditions?

Yes, data shows that the 4KW/PRO motor consumes about 20-25% more energy than the stock 3.3KW motor under the same riding conditions. This roughly translates to a range of 40 miles at 22MPH for the 4KW motor versus 55 miles for the stock 3.4KW motor.

What is the maximum charge rate?

While a Samsung 40T battery can theoretically be charged at a rate higher than 10A, at the system level there are other elements in the chain that limit charging to that rate: the charging port, wiring, and the BMS.For users with LG M50LT batteries, it is not recommended to exceed 8A.

What is the weather resistance of the wheels?

Within the range of available models, it is about 'average'. While King Song does not have a specific IP rating, based on hundreds of S22s sold over the past two years, the number of failures due to occasional use in wet conditions is very low. The standard advice is not to expose your wheels to the elements; avoid use in pouring rain if possible; and don't ride through bodies of water.

KS S19

Why Choose the Kingsong KS-S19?
  • Durability: Built with high-quality materials, the KS-S19 is designed to last, ensuring you get value for your money.
  • User-friendly Interface: With its intuitive controls and display, even beginners will find the KS-S19 easy to use.
  • Eco-friendly: Reduce your carbon footprint! Kingsong-S19 is a green alternative to traditional modes of transport, making it perfect for the environmentally conscious rider.
What are the applicable scenarios for the Kingsong S19 electric unicycle?

The S19 is suitable for off-road and urban exploration, while also being ideal for daily commuting. Its design is intended to meet the demands of riders seeking outstanding performance, comfort, and versatility.

What is the suspension system and tire size of the Kingsong S19 electric unicycle?

The S19 features the DNM AOY 36RC air suspension with a travel distance of 90 millimeters and an 18-inch tire size. The suspension system provides greater damping, ensuring a smoother and more comfortable riding experience.

What is the motor power and climbing capability of the Kingsong S19 electric unicycle?

The S19 is equipped with a 3500W motor (peak power of 6500W) that allows for easy hill climbing, making it particularly suitable for riders who wish to explore steep terrains.

Can KS 19 drive at night?

The KS-S19's battery shines thanks to its intelligent management system, which constantly monitors its condition via multiple protection mechanisms. This ensures optimum safety and stress-free operation.

This electric unicycle also has a powerful and, above all, automatic full lighting system! At the rear, there are rear lights, brake lights and indicators. The front features 5 x 6 W LED headlights. This comprehensive, intelligent lighting system ensures optimum visibility and enhanced safety at every moment of your ride in electric unicycle.

KS 16X

Are there any changes/upgrades in this production run?  

Yes, Kanematsu has made some improvements to the controller, firmware and waterproofing - still not recommended to take it out in a thunderstorm ......

What type of tire is fitted in the current production?  

The Chao Yang 16×3" offers the best combination of tread life and smooth ride performance.

I'm having a hard time choosing between the 16X and 18XL, what is the difference in ride quality between these models?

Functionally, the difference between the 18XL and 16X is tire size. the 18XL comes with 18×2.5-inch tires, while the 16X comes with smaller but wider 16×3-inch tires. What this really means is that the 16X may have faster acceleration, more climbing torque, and better off-road performance on wider tires, but the 18XL will be the best choice for long-distance cruising on paved roads.

What is the maximum recommended rate of charge?

What is the maximum recommended rate of charge?
You can use our original charger with a recommended output voltage of DC 84 V, 1.5A.

How water resistant is the 16X, can I use it in the rain?

The general recommendation for all Electric Unicycles is that it ought to stand up for riding in the wet or light rain, but to try avoid using in a heavy downpour, avoid puddles & bodies of standing water. Please store your Wheel inside, prolonged exposure to moisture will result in decreased life expectancy of the machine.

KS 16S

What additional features does the KS 16S offer for entertainment?

It comes with integrated RGB LED lights and Bluetooth speakers, which can be operated via a smartphone app.

Is there an option for carrying the KS 16S when not riding it?

The King Song 16X comes with a retractable push handle to easily carry the unicycle around.

What safety protections does the KS 16S have?

The unicycle is equipped with speed limit protection, overheating protection, and low battery protection.

What is the maximum range of the KS 16S on a full charge?

The KS 16S has a powerful 1200W battery offering a range of approximately 50 miles.

How much does the KS 16S weigh?

The unicycle weighs 53 lbs.

KS 14D

Is there any difference between the 340Wh & 420Wh, except for the range? 

No, both variants have the same quantity of cells, 32x, each is rated for a peak sustained power output of 10 Amps, so there’s no difference in power performance. The 420Wh pack has the LG MJ1 3.5Ah cells, for a combined capacity of 420Wh; while the 340Wh has the Panasonic PF 2.9Ah cells,totalling 340Wh. In terms of range, you should expect around 20-25Wh/mile.  

Is the 14D water resistant, IPxx certified, can I use it in the rain? 

This Wheel has a number of protective measures to prevent rain from causing havoc with the sensitive Electronics. As most manufacturers do not certify their IP ratings, they is generally no accurate guide for judging the protective qualities of a Wheel. Our recommendation is that you can use the Wheel in light or wet conditions, but try to avoid using it in a heavy downpour, also do not leave it outside sitting in the rain.

I know the 14S has double the number of batteries of the 14D, but are there other differences besides?

No, not really. To accommodate the larger pack, the 14S is 2″ fatter & 5lb heavier than the 14D—some owners put great value the qualities of thinness & weight. The motor, control-board, & about 90% of the shell are identical in the 14S.

Is it possible to purchase the 14D now, then upgrade the Wheel to the S22 PRO at a later time?

Of course, this is the same upgrade campaign we launched, and you can check out the exact rules of the campaign at this link.
You can get both wheels for less money than before!

Can I take the 14D aboard commercial flights?

Although each airline may have their own particular policy, the standard for taking battery powered Personal Electric Vehicles aboard aircraft is that 1) the battery pack must be below 160Wh, 2) the battery must be removed. Unfortunately, neither of these requirements is met this model Wheel. It might be possible to remove the battery & send on by courier, but you’ll need to get written confirmation from the airline if you are thinking about taking this approach.