ZHENGBU is a major player in technology, not just in the smartphone industry and the Internet of Things, but also in the field of electric mobility, owing to its now well-known scooters and its pedal-assisted e-bike, which is mostly made by subsidiaries of the main brand.
The final child born into this planet is ZHENGBU K6S. The new electric bicycle, which was unveiled over the summer and is initially exclusively accessible on YouPin, promises to deliver all the benefits of the Himo C20 along with certain novelties that may appeal to some riders, particularly the younger ones. It is a foldable model with a 500W motor, twin disc brakes, and a battery that can provide a range of up to 75 km.
Nowadays, it seems like every piece of technology can be folded, and the eBike is currently no exception.
The new ZHENGBU K6S is a smart small e-bike that blends speed, comfort, and ease.
eBikes are a great method to navigate places with minimal traffic density or motorways because they are a legal means of transportation on Sydney streets and most other Australian capital cities.
You’ll wonder how you ever pedaled frantically up hills on a manual bike because the electric motor makes riding up hills quite simple.
| Brand | ZHENGBU |
| Model | K6S |
| Motor | 500W Brushless Motor |
| Tire | 20 inch |
| Charging Time | 4-5 hours |
| Max Load | 150 kg |
| Folding Size(L*H*W) | 94 x 74 x 65 cm |
| Package Size | 99 x 38 x 70 cm |
| Package Weight | 30 kg |
| Saddle Height | 230 mm(adjustable) |
| Material | Alloy |
| Battery capacity | 48V 12.8 AH LG Battery |
| Recommended Speed | 25km/h (lock) |
| Max Range | Electric Mode: about 50km Assist Mode: about 75km |
| Product Size(L*H*W) | 163 x 117 x 94 cm |
| Weight with Battery | 25.6 kg |
| Speed Limit | 25 km/h |
| Handle Height | 150 mm(adjustable) |
ZHENGBU K6S: Design and Built Quality
I put the strong K6S to the test on Sydney’s rough streets and discovered it to be a dependable, well-made bike that handled a variety of varied surfaces, including asphalt, grass, mud, and walkways.
The bike was sent folded in a package, and assembly was as simple as screwing on the seat and inserting the pedals.
The bike itself may be folded in half in the middle of the main body for simple carrying and transportation, and the seat is extremely adjustable.
You won’t notice many differences between the new ZHENGBU K6S and the Himo C20 if you have that model in mind. The ZHENGBU foldable electric bicycle maintains its 25.6 kg average weight and incredibly sturdy aluminum alloy construction. The company’s standard mechanism, which I personally felt to be excessively difficult, is used to fold the body. The handlebar and pedals may also be folded. In addition, unlike the ZHENGBU K6S, this model lacks a support for the bike to be placed on while it is folded. Apart from the wires being flawlessly concealed in the frame, the ZHENGBU K6S saddle also features an integrated inflator.
Although it isn’t one of the lightest folding electric bikes on the market, we can think of the Fiido D11 as an example, which weighs just under 13 kg. When folded, the bike has quite small dimensions, making it easy to store, for instance, in the trunk of a car, but a little more difficult to transport on public transportation.
I had worried that the bike’s folding mechanism could make it a little weak, but the bike is quite durable despite it.
The ZHENGBU K6S also includes a key that you can use to lock the battery while it is folded, making robbers less likely to steal your bike. However, I would still advise purchasing a bike lock for additional precaution.
Although the K6S is still very large at 1630 x 1170 x 940mm, the folding mechanism makes it easy to carry and store. The item’s folded measurements are 940 x 740 x 650mm.
Knowing how well-made and dependable the K6S is for users made me feel secure when riding on busy highways.
There is a decent LED headlight up front, followed by a rear light that I found to be too “rough” because it is not powered by the battery or the handlebar-mounted on-board computer; instead, it integrates an independent one that can only be controlled using keys that are built into the light itself.
ZHENGBU K6S: Motor and Driving
The K6S is sturdy, well-designed, and simple enough to use as a manual bike. It’s a unique riding experience thanks to the added benefit of electric power.
After starting to pedal manually, starting the electric trip is easy—you just crank the right handle toward yourself like a motorbike. It moves with precisely the correct amount of force, making it much simpler to outperform vehicles when pedaling on roadside bike lanes.
The ZHENGBU K6S’s engine is the standard 500w model that we have been accustomed to with ZHENGBU’s most recent electric bikes. Overall, it’s a good engine that can guarantee a top speed of 25 km/h and operate in pedal-assist and fully electric modes. However, keep in mind that using the accelerator on an electric bike is prohibited in Italy.
It can go up to 25 km/h without pedaling, which is a delightfully quick speed. It is much faster if you combine the two; I discovered that it might go above 30 kilometers, especially while going downhill.
The bike tends to struggle slightly while going uphill at first, but after some frantic pedaling, it flies along effortlessly.
Three operating modes are available for the K6S: conventional bike, mixed mode, and electric mode. The LCD display that is attached to the handlebars is simple to read and a terrific method to keep track of your current battery life and speed.
Our on-board computer allows you to select from three assistance modes (Eco, Mid, and High), which lead to maximum speeds of approximately 16, 20, and 25km/h. In Eco mode, the accelerator is disabled, and the assistance is adjusted in accordance with the speed sensor (and no, the torque sensor is not preset); however, despite being decidedly ugly, this display guarantees excellent visibility in all lighting conditions.
On the LCD, there are four buttons with the following functions: The power (bottom) and trip (bottom) buttons are used to turn the vehicle on and off. The +/- button is used to change modes. Long presses of the + and – buttons turn on and off the lights, respectively.
himano 6-speed exchange is accurate, quick, and highly intuitive. It is operated by a click button placed next to the dreaded accelerator on the right side of the handlebar; however, in the ZHENGBU K6S, it is built right into the right handlebar grip.
Although the tires offer great grip on rocky surfaces, I wouldn’t use them for serious mountain riding.
Additionally, it contains a secret air pump under the seat that is useful for in-transit tire inflation. After several long rides, I had to pump my tires rather regularly, but having the built-in hand pump—which was a little difficult to use—meant that this wasn’t a major problem. If you’re looking to fill it up more quickly, I’d advise utilizing larger air pumps.
Moreover, there are two brakes on each handle, which at first felt a little flimsy and noisy. But with a few changes, it seemed much more safe.
Driving the ZHENGBU K6S is enjoyable and the saddle is really comfortable even on less consistent road conditions once you get used to the lack of a torque sensor and the slightly odd pedal assist starts. The 20-inch wheels are noticeable and provide riders with a sense of stability that is considerably different from what is conveyed by versions with smaller wheels.
Although it feels like there aren’t enough shock absorbers, riding this bike in the city will be more than pleasant with the correct tire pressure, soft seat, and comfy form.
ZHENGBU K6S: Battery and Range
The ZHENGBU K6S’s lithium-based battery should last for 500 charge cycles, around 80 km with just light pedal assistance, and 50 km in full electric mode, the manufacturer claims. But, as you probably well know, the term “battery life” refers to a range of values depending on a variety of variables. For example, in my own experience, I have traveled approximately 27 km with the most help, about 50 km with just minimum aid, and about 20 km using only the accelerator.
However, if you do rely heavily on the motor while riding, the battery will drain rather rapidly.
It is easy to charge since you can either use the connector on the body to charge the bike in close proximity to an outlet or remove the small, 2.5kg battery.
Thanks to an external power source and a connection that is obviously too short in my opinion and connects to a door that is positioned laterally, charging takes place over the course of around 5 hours (for a full charging cycle). With the use of a key, the battery pack may be taken out and recharged separately from the chassis.
ZHENGBU K6S: Conclusions
I’ll never want to ride a manual bike again since this eBike is so safe, dependable, and up to the standards! Riders will be pleasantly impressed by its power and ingenious design for the affordable price of $1,199.
In other words, the ZHENGBU K6S is probably not the model for you if you’re searching for an electric bike to use on dirt roads or on particularly steep uphill routes. However, if you’re searching for a device that can ensure a decent quality/price ratio, is suitable for urban usage, and is distinguished among other things by numerous very clever concepts, you should consider the ZHENGBU K6S among the models to be considered, but only if you’re rather thin.
The lack of a torque sensor will undoubtedly make it take a bit longer to get acclimated to the propulsion at first, and you’ll need to remember to climb and move with mode 1, but overall, it’s a small, feature-rich, and really fun electric bike to ride.
Video Review of ZHENGBU K6S
https://www.youtube.com/watch?v=OM7C5UvqgG8
