Best Electric Unicycle To Buy In 2021
When we think of a unicycle, we think old and outdated especially as a means of travel, however times have changed indeed. The best thing about technology is when it is simple and accessible and there is nothing wrong with the basic design of the mighty unicycle, but pair it with an electric engine and you have the best electric unicycle.
Presently you have a profoundly productive and fun approach to drive starting with one spot then onto the next. This individual transportation framework depends completely on how well the user can balance and fit themselves within the self-balancing system.
However because there are just so many options available in the market right now, it can become super hard to pick out the right kind of product for yourself based on your specific needs and preferences. Sifting through all the amazing offerings from superior brands might be tough but we have come up with a review on the best electric unicycle options available so that you won’t have to worry about the information as in the coming paragraphs all the details will be provided.
If you don’t have the time at the moment to actually go over this review at the moment of our 11 picks, we recommend that you take a look at the LJHHH Electric Unicycle which is fitted with a Bluetooth option and a Self-Balancing System as well which make it a top contender. If you want more information, keep reading on to get all the important information you will need to ensure that you make an informed decision.
If this, however, isn’t enough to convince you, we recommend you keep reading to make the best decision and before you start reading, take a look at out our handy comparison chart as this will inform you regarding the basic features of each product.
11 Best Electric Unicycle To Buy In 2020
1. Segway Ninebot Electric Transporter
- It has a user friendly knee control bar design
- Comes with an adjustable frame length
- It has three speed modes
- It can also carry a maximum weight of 220lb
- Turns into Go Kart
- Fitted with a magnesium alloy frame
First up we have the Segway Ninebot Electric Transporter which is our top pick for the best electric unicycle 2020.
Q. What are some of the main features and conveniences that the Segway Ninebot Electric Transporter can provide to users?
It’s easy to go to see places on your Ninebot S and don’t worry about it looking outdated as this is a device with a very stylish design. This is a mode of travel that is built for transportation and amusement as it is surprisingly versatile.
There is no doubt at all that the Ninebot S gets you to your goal while you appreciate and experience the entire process. The best part is that it is super simple to learn how to use and has an extremely easy to understand knee control bar configuration which not only makes it your top choice if you have kids but also for yourself.
All the user has to do is simply step on and within minutes, the user will have gotten a hang of the learning process which is super user friendly. If you are looking for the next best thing after hover boards and e-bikes.
Q. What about some of the performance and design related feats of the Segway Ninebot Electric Transporter?
The Ninebot Gokart Kit is a truly visionary device as it is not just a run of the mill unicycle. As with a few easy adjustments, you can convert your Ninebot S base to the unit and you are now in possession of a fully functional Gokart, ready to ride at maximum velocities of up to 15mph.
With a customizable frame length design, the ability to carry around 220 pounds at a time and three unique speed modes, what else could a user want? Guardians and children the same will have the option to appreciate the experience.
By utilizing a light yet simultaneously sturdy airplane grade magnesium alloy outline, the Ninebot S is minimized and is so lightweight that carrying it around when not in use is the easiest task.
On account of the knee control bar, the Ninebot S can be effectively lifted up and put away in a vehicle trunk. If you are really cut for space and want to store it away for some time, you will be glad to know that it comes with a knee control bar that can be removed easily in order to make Ninebot S fit into little spaces after all other options have been exhausted.
Q. How do the Segway Ninebot Electric Transporter’s smart features set it apart from other contenders?
Finally, this device also is fitted with ground-breaking double 400W engines, which means that the Ninebot S has the ability to go to speeds of up to 10 mph. the Smart Battery Management System reports ongoing status of voltage, current, temperature and can be used to find out to make the inquiries and progress of the battery’s status and expected flaws, which significantly improves ride wellbeing and solace. This means that this is an intelligent device and will be safe and reliable.
2. LJHHH Electric Unicycle
- It has a Built-in Bluetooth speaker
- Fitted with a self-balancing system
- Non-slip two sided parallel design
- It has a high quality lithium-ion battery
Up next we have the LJHHH Electric Unicycle which is our top pick for the best electric unicycle.
Q. What are some of the main features of the LJHHH Electric Unicycle?
This is a truly powerful device which is fitted with a uniquely brushless motor and the coolest thing is that this brushless motor comes fitted with a really high temperature resistance, is fitted with unique eco-friendly and energy preserving modes, won’t be damaged if it falls and has a very stable internal structure all of which prove that it is a very strong and reliable contender on our list.
These features are also great because they will allow the user to control and balance your electric device as you like. So whether you are looking for the fastest and stable driving performance or with the best stopping power, you need to look no further.
Q. What are some of the amazing technological features of the LJHHH Electric Unicycle?
The best part is that this device is also fitted with a smart Bluetooth player which has been built-in Bluetooth speaker with an external release function that allows the user to connect their mobile phone via the amazing technology of Bluetooth and this allows you to play your favorite songs so that you can make your riding experience even more serene, enjoyable and peaceful.
We realize that one issue most users have with unicycles is balance so you will be happy to know that this device does come with a self-balancing system that works on 2 amazing principles. The first is the aerospace attitude control principle and the second is the gyroscope principle, both of which allow the user to detect any change in the rider’s center of gravity and even the angle of offset in real time.
Q. What are the amazing safety features of the LJHHH Electric Unicycle?
Since this might not be a device that is well suited to every individual it is a good addition to add in the non-slip pedals which are made of a two-sided parallel design which is perfect at effectively avoiding the problem of unstable and slippery rides.
One of the most important aspects of any electric device is how long the battery lasts and this one is no different. It has a battery life of about 60 kilometers and offers an impressive battery capacity of 468WH. It makes use of the most high quality lithium-ion battery, which allows it to charge and discharge more than 1000 times.
3. Solowheel Xtreme Unicycle
- Easy to use and understand
- Eco friendly abilities
- A larger 18 inch wheel
- It has a strong 1,800W motor
- 70 percent efficiency
- Works on a 2 hour full charge
Today we are set with the task of providing you with the best electric unicycle and buying guide and what better product to look at other than the Solowheel Xtreme Unicycle.
Q. What are some of the main features of the Solowheel Xtreme Unicycle that it offers to users?
The Solowheel is an electric, compact and most importantly, self-balancing unicycle. It has the reputation for being one of the smallest and most compact devices which makes it so easy to store and put away. However the coolest feature is that it gives up an amazing 70 percent efficiency levels which are because it is an ecofriendly option as well.
The one thing about the Xtreme is that while it offers a lot of amazing features, it is still pretty expensive yet thanks to the bigger 18-inch wheel in addition to a sturdier 1,800W engine, it offers a very powerful ride. The one drawback in comparison to other brands is that there is no kickstand or headlight; features which have been made present in other models. Users will also be glad to know that it can fully charge in about two hours.
Q. How does the design plan of the Solowheel Xtreme Unicycle set it apart from users?
The design plan, gyro-sensors and the fact that it is so creatively design give this device a very simple and smooth ride performance that is advantageous for going just about anywhere whether it is for commuting purposes or leisurely strolls around the block.
As an added caveat, users will be glad to know that the Solowheel is the first upright and self-balancing electric unicycle brought to you by Inventist brand who are additionally the makers of the first patented hover board in the market.
4. SUPERRIDE Self Balancing Electric Unicycle
- Uses gyroscopic technology
- Fully charges in an hour
- Removable battery
For the best offroad electric unicycle scooter, we have the SUPERRIDE Self Balancing Electric Unicycle .
Q. What are its main features?
This is a self-adjusting electric unicycle which allows the rider to remain comfortably seated as they would in a modern bicycle. The propelled self-adjusting gyroscopic innovation keeps the bicycle consistent and stable.
Q. What are its innovative features?
There is no controller is required, and the controls are simple as you lean forward to speed it up and recline to slow it down. Turning is done by shifting your body weight left and right.
It not only charges fully in an hour, it also has a removable battery for your convenience.
5. LJHHH Electric Unicycle
- Double rows 18inch tires
- High power and torque motor
- Non-slip pedals
For the best self-balancing electric unicycle, we have the LJHHH Electric Unicycle.
Q. What are some of the main features of the LJHHH Electric Unicycle?
With the exception of the way that it has a solitary wheel this unicycle has practically all the comfort that a normal traditional ebike might provide you. It has a padded seat which remains at 680mm and has 18 inch line wheels; it gives you great ground leeway simply like the customary motorbike.
Q. What other features does the LJHHH Electric Unicycle offer?
The arrangement of its wheels helps even the amateur rider to get a handle of this pretty quick. With your feet firm on the pedals and the hands fastened on the handlebar, you will feel the thrill. By incorporating a 1000w hub motor, they have ensured that this seemingly lightweight device grants you all the power you need.
6. IOTAtrax - Compact Style Hoverboard
- Device that rides like a hoverboard
- It has a very compact device
- Fitted with intuitive control
- Has a stable platform
- Patented smooth turning system
Up next we have the IOTAtrax – Compact Style Hoverboard which is our top pick for the best electric unicycle 2020.
Q. What are some of the most unique features of the IOTAtrax - Compact Style Hoverboard which set it apart?
This is a bike which offers the most interesting and compact design which is what allows the user to ride it through the tiniest and narrowest of spaces with absolute control and ease. This includes around and over obstacles and both out and indoors.
Another amazing aspect is that this is a device which is very easy to ride as it comes with a feature that promotes intuitive control. So if it’s a smooth ride that you wanted, this is a device that is excellent because it has a very stable platform.
This portable and lightweight device is also amazing because it has a smooth turning system which has a gearless differential that allows for the most efficient turns while staying completely balanced.
7. LJHHH Intelligent Electric Unicycle
- High torque 600watts brushless motor
- Long-range of 60km after a single charge
- Scratch and rustproof sturdy pedals
- Features Bluetooth speaker system
The LJHHH Intelligent Electric Unicycle is our top pick when looking at the best electric unicycle that the market has to offer.
Q. What are some of the main features of the LJHHH Intelligent Electric Unicycle?
The best part has to be that to make the riding process easier; this is a self-adjusting electric unicycle. It consolidates both the aviation and gyroscopic rule. Subsequently, it naturally distinguishes the rider’s focal point of gravity to accomplish self-adjusting for a smooth ride. Another interesting element is that its tire utilizes the equal stepping to limit any slippage or potential harm to the user.
Q. How is the battery power and performance of the LJHHH Intelligent Electric Unicycle?
The unicycle utilizes a 468wh lithium-ion battery to store energy and this battery guarantees a long life since it has a limit of 1000 charging and energizing cycles. When you need to charge it you will be glad to know that it only requires around 3 hours of charging to turn out to be completely energized. This then allows it to power the bike for about a 60 km ride. In this way you can use the bike for a few days before you will ever need to think about recharging it.
Other than the incredible battery, it additionally comes with a 600 watts brushless engine. Thus, it runs quietly so that you do not disturb the peace of the neighbourhood but also guarantees longer life as well. The high force engine enables the unicycle to climb a grade of 25 degrees with a greatest weight capacity of 120kg.
8. SEADOSHOPPING Electronic Unicycle
- Fitted with excellent mud guards
- Only weighs 22 pounds
- Charges in a mere 2 hours
- The Slash guards are made of an ABS material
- Foldable device
- Has a non-slip padding
- Range of 15 miles, speed of 12 mph
When we are looking at the best electric unicycle for under 350, then the first product that comes to mind is the SEADOSHOPPING Electronic Unicycle!
Q. What are some of the best features of the SEADOSHOPPING Electronic Unicycle?
There are a number of excellent reasons why the SeadoShopping electric unicycle is on today’s list as it is chock full of amazing features such as the excellent and resilient mud guards which will act as an extra layer of safety to the user so that they can ride through even muddy roads where there has been a lot of rainfall.
One of the most important things for any secondary mode of commute has to be ease of portability and this is something that this unicycle definitely has! It also comes with a handle that allows you to can carry it anywhere with you. the smart indicator light helps make sure that the levels of the battery life are good and alerts you when you need a charge.
Q. What are some of the other unique features of the SEADOSHOPPING Electronic Unicycle?
This is a device that has amazing non-slip padding fitted into the device as this will allow the user to keep a firmer grip on either sides of the paddle so even if there is rain or snow, the feet won’t slip thus ensuring the utmost safety. You will also be glad to know that the pedals are foldable.
It also has unique Slash guards which have been constructed out of an ABS material; and allows for a standard pressure of about 250 kpa. While it has a range of about 15 miles, it can cover this in a speed of 12 mph which is impressive for a device of its kind. Another excellent thing to mention here is that this device can be charged in a mere 2 hours and weighs a mere 24 pounds.
9. Segway Ninebot Electric Scooter
- It has a Multi-functional remote control with intelligent chip
- Made with durable aircraft-grade magnesium alloy frame
- Fitted with a Smart Battery Management System
- Comes with 11 inch pneumatic tires
- Works with dual motors of 400W
Next up we have the Segway Ninebot Electric Scooter which is our top pick as the best electric unicycle for commuting.
Q. What are some of the most impressive smart features of the Segway Ninebot Electric Scooter?
If you are looking for a high tech option in the range of electric unicycles then the best product for you has to be this one as it comes with an amazing multi-function controller that is fitted with a smart chip. If you choose not to work the device with the handles and want a more freeing approach then you have the option to drive the Segway S-PLUS by utilizing the added remote.
This allows you to access a Follow Me mode that means you can walk with ease while the device follows you around everywhere you go. This is most useful when you’re not riding and need to have your hands free and all you must do is use your controller, turn on Follow Mode and have your Segway S-PLUS tail you around.
Q. How do the Segway Ninebot Electric Scooter’s design elements make it safer, increasingly portable and more durable?
By utilizing light however durable airplane grade magnesium alloy outline, the Ninebot S Plus is minimal in terms of weight and because it is a mere 30 pounds while it gives out a capacity of about 220 pounds, it is a seriously great offer.
On account of the knee control bar feature being completely removable, the user can quite easily pick up the device with ease and neatly fit it in the trunk of their car or even for storage in a cupboard when not in use. This bar is also great as it allows the user to have the balance needed to stay upright thus it is even a great learning option for kids.
This device is both powerful and fast which is not something you would expect of a unicycle, even an electric one. This is made possible by the addition of ground-breaking double engines of 400W capacity that allows the Segway S-Plus to give up to maximum speeds of 12.5 mph, make a trip up to 22 miles and lift up about 220 pounds all on a single charge without needed to recharge the power source.
Q. In what ways does the Segway Ninebot Electric Scooter ensure absolute comfort and security to the user at all costs?
If you are looking for comfort and security then why look any further as this device has a Smart Battery Management System that guarantees the wellbeing of the battery in the sense that it broadens the battery life.
It is also fitted with a special knee control bar which takes into consideration simple feats such as easy lifting and exact steering so that you remain upright and stable. Furthermore, it is the addition of the 11 inch pneumatic tires that will allow the device to provide users with a very agreeable and smoother ride on even the most uneven streets.
When you buy this device you will be given the unparalleled quality assurance that you will be left with a very premium innovation, the smoothest performance and expanded functionalities all of which combined make the Segway S-Plus your very own smart companion. Although it offers a 1 year and a separate 180 day guarantee for various parts, this is limited and this seems to be the only real drawback.
10. OUTSTORM 4000w/ 84v Offroad Electric
- This is a Smart and Self-Balancing Scooter
- It has a wider Non-Slip Standing Base
- Offers a Long Distance Range
- There is a range of 34 miles
- Charges fully in fewer than 4 hours
- Portable and lightweight design
The OUTSTORM 4000w/ 84v Offroad Electric is our next top pick for the best electric unicycle and when you read the features you will find out exactly why.
Q. What are some of the best features when it comes to the UTSTORM 4000w/ 84v Offroad Electric?
One of the worst problems with some users when it comes to electric unicycles is that they cannot manage to balance it themselves which is why self-balancing kind is an excellent way to overcome that issue.
This is a device which is best for the individuals who don’t need to travel really far and just want to take in the scenery of the countryside, get to their nearby shopping mall or simply go out for a stroll around their neighbourhood. However this is obviously a faster and safer way than merely walking. It has a smart adjusting upright plan which not only makes it simple to step on but also to step off of.
Q. How do the battery elements of the UTSTORM 4000w/ 84v Offroad Electric help make it a great option?
It has a really long distance range as compared to other electric unicycles which of course is nice as you can cover even farther distances. It allows the user a maximum speed of up to 13 mph and a travel range of 34 miles. You can keep riding for hours without ever needing to stop or pause for a recharge. Speaking about its battery, it can be recharged in an impressive 4 hours and this will last you quite some time.
Q. What are some additional methods in which the UTSTORM 4000w/ 84v Offroad Electric ensures user safety and aids portability?
This is an electric bike that can be made as compact as possible in order to ensure that it fits brilliantly within the storage compartment of your car or home. This is also an excellent idea if you are choosing to use 2 or more modes of transport at a time and since this device is electric, it will not lead to any consumption of fossil fuels as car do thus reducing your carbon footprint.
This is a device which is fitted with a Non-Slip Standing Base that is wide enough to allow a firm and stable grip by your feet so there is no chance of you falling off. It has been fitted with so much foot space to assist you with balancing out yourself, just as an adjustable handle length has been added to assist you with finding the perfect comfort level for yourself and your loved ones.
11. YANGMAN-L Electric Balance Unicycle
- Designed to be used by all ages
- Offers Intelligent control system
- Has a Brushless Motor
- Fitted with a 18 inch wheel 1000 watt motor
Lastly, we have the YANGMAN-L Electric Balance Unicycle which is the best self-balancing electric unicycle.
Q. What are some of the best features about the YANGMAN-L Electric Balance Unicycle?
The best thing about this product is that it is made for children of all ages so whether you are a child or an adult, it is fun for everyone! This also means that it is user friendly and can be figured out very quickly. There is only a one button operation in this device which means that it is very straightforward. The age limit it has is that children should be at least 8 years of age and its weight capacity is of about a load of 20 to 150 kg.
Q. What are some of the smart features of the YANGMAN-L Electric Balance Unicycle?
This is a really smart system as it comes with an Intelligent control option which does all the work for you. There is a built-in gyroscope which allows the user to remain stable at all times and thanks to the intelligent control, the unicycle becomes super easy to operate. Thanks to the really efficient 18 inch wheel combined with the 1000 watt motor this bike has a very smooth performance to a point that the user will feel like they are gliding along.
Q. How is the YANGMAN-L Electric Balance Unicycle best when it comes to long distance range rides?
Talking about the motor in more detail, it is of a brushless design and thus comes with very little friction and less interference. It is also a great way to save up on battery power and also ensures that you have quiet operation. This device also comes with a long distance range which means it has a maximum speed of up to 15 mph and offers a range of up to 18 miles on a single charge.
Buying Guide of Best Electric Unicycle to Buy in 2020
The idea of a unicycle has been around for some time, however because of the development of innovation, instead of having to pedal around manually, users can just make use of the engine which turns the wheel for you. So the electric unicycle has limited physical exertion and has made the unicycle have a great comeback.
Now that you have gone over our extensive review of finding out what is the best electric unicycle in terms of options and choices, you might feel way better prepared to actually commit to purchasing one. There are a number of excellent options on that list that you can choose from so to make your task even easier, we have a detailed buying guide coming up for your convenience.
This is because for more inexperienced users, the technical elements and jargon might still be a bit fuzzy and to make things clearer in your head we are going to list down some of the main factors you should consider while making your purchase. Further, we are going to answer a few of the most frequently asked questions regarding the topic.
Q. What is the range of the bike?
If you are aware of how far you will be taking your product on average, it becomes easier to figure out what kind you will purchase as well. At that point go for the motor with an adequate range to travel that distance simply running on one charge at a time. In any case, on the off chance that you are alright with charging it frequently at home, at that point you can go for a short range unicycle and end up saving your money.
Q. What kind of pedals does the bike have?
The kind of pedals a unicycle has is only an important factor if you are going to use the product frequently and if you need to travel longer distances than compared to around the block. This is because only the rider who covers more than ten miles a day will need pedals that are comfortable and versatile. Because we are looking at it from a perspective of comfort, the pedals ought to have a huge surface zone grants you a lot of space to put your feet on comfortably in order to ensure your grip is stable. In addition, it should have patterns that have anti-slipping properties so that you can keep the entire bike stable and upright.
Q. What is the size of the wheel?
The general wheel sizes for electric unicycles include a range of 14, 16 and 18 inches. When you look at it, tinier wheels are lighter and easier to use when contrasted with enormous wheels. So in the event that your emphasis is on versatility and you are planning to cover shorter distances, at that point, you will have no need for larger wheels and tinier ones will do. However, alternatively, if you feel like you need speed and are covering longer distances or need to traverse across rocky terrain then you need wheels that are either in the 16 or 18 inch category.
Q. What are the types and limitations of the battery?
Since we are looking at electric unicycles, there is no denying that battery power is an important factor because the power source is very important. Most e-unicycles are fitted with either lithium-polymer or lithium-ion based batteries. Even the performance of your unicycle will ultimately rely upon the battery power so it is important to look into battery brands like Panasonic instead of cheapening it out. You should remember that even if it costs high initially, it will also be durable and reliable thus allowing you to cash in that long time value for money. Another thing to consider here is that if the battery can be removed, this will make it easier to charge the device.
Q. What is the maximum speed of the bike?
As we mentioned earlier, the rider looking for a unicycle shouldn’t be all that concerned with speed. For instance, in case you predominantly ride your electric unicycle within your neighbourhood or closer areas, you will not really have the need to utilize the max throttle limit. This is primarily because it might be dangerous to take the bike out onto traffic because it takes some time mastering that. This might constrain the user to travel at a max speed of about 10mph. however in case you are thinking or planning to venture out even further, then the maximum speed does become an important factor. Users should consider a dual speed bike so that they can deal with both situations.
Q. How does power does the engine have?
An engine assumes a critical job in an electric unicycle because this is the main power source that differentiates this bike from traditional unicycles. These are important because that’s how you will have the extra energy to take your unicycle up and down hills and slopes. This will also determine whether the user can go at higher speeds or not. So in the event that you need great speed and the capacity to climb slanted slopes effortlessly, go for a high wattage engine.
Q. How much weight does the unicycle carry?
This is one of the most important factors across all kinds and designs of electric unicycles because this will determine whether or not the bike can even perform efficiently with your weight on top. Each unicycle has a predetermined weight that it can handle with ease. So the easiest way to go about this is to know your weight and afterward pick the model that will carry you forward without stressing.
Q. What is the fastest electric unicycle?
The Gotway Msuper X has been declared the fastest electric unicycle in the business after winning the record in 2018.
Q. Are electric unicycles safe?
There has been a lot of criticism for the electric unicycle but truth be told they are just about as dangerous as a two wheel bike might be. This is because just as any other product, the potential danger is definitely on the attentiveness and skill level of the rider. This fundamentally implies the main time you are hazardous on an electric unicycle is the point at which you aren’t focusing on the things around you.
One major source of criticism for the electric unicycle came around about a couple of years ago because there were many news reports of them catching fire. However, this is definitely not going to happen if you have researched up on the kind of brand you are buying. This is usually something that happens when a really cheap quality product is bought and then overused to the extent that it blows up due to low quality batteries.
Regardless of what electric unicycle you get, it needs to be certified by the UL2272. This affirmation is granted to producers who have satisfied the guidelines of extensive security tests. These are important especially if children are also going to be handling the cycle.
Q. How much is an electric unicycle?
The amount of price range that you can purchase can be anywhere from 200 dollars to 3000 dollars and this can depend on the kind of features or brand you are looking into. However there are a few factors that will increase the price as well:
- Battery life
Q. How do you get on an electric unicycle?
The first step is to make sure the electric unicycle is standing upright thus ensuring that the safety tether is appropriately attached. Then the user can overlap the pedals out into their standing position. Switch the gadget on through the controls, at that point move it forward and in reverse to get situated with how fast it’s maximum speed is.
The next step is to actually get on the bike. This should be done while keeping hold of the handle, then place your first foot onto the pedal and then your second one on as well. This is the hardest part for amateurs, and takes a great deal of becoming acclimated to since stopping isn’t all that easy.
Q. How fast do electric unicycles go?
If you are looking to buy a unicycle, then it is very likely that speed isn’t necessarily what you’re after. Although these can be extremely fast, they are usually associated with more leisure based activities.
However you will get quite a few models of electric unicycles that can get as fast as 22 mph (35 km/h) or faster depending on the design. That’s not too bad when you know that on average, the typical hoverboard can only manage 8 mph top speed. There are also a few varieties that are better suited to off-road riding and usage as well.
Q. How do you ride a Monowheel?
The principal thing you should know about the monowheel before you set out to ride one is that it is very different from a unicycle. The design is basically two circular frames attached to one another. These are known as the external and internal frames and it is actually only the external frame that ever really moves over the ground. The one on the inside only holds the driver and the power source or engine.
Both the internal and external frames are connected to one another via a lot of rollers. These little wheels let the internal frame remain upstanding as the external one moves around it. This is the mechanism that allows the driver to stay upright and not turn inside the wheel. This way only the external frame turns while the driver’s weight holds the one on the inside up.