I bought KN20S 250W, together with wireless throttle display and cadence sensor. Very precise response of motor and sensor makes the riding really fun. The throttle is also very useful. It makes t... Vis mer
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For å beskytte plattformens integritet vil alle anmeldelser på plattformen—bekreftet eller ikke—bli undersøkt av vår automatiserte programvare (tilgjengelig hele døgnet). Denne teknologien er designet til å identifisere og fjerne innhold som bryter med retningslinjene våre, deriblant anmeldelser som ikke er basert på en faktisk erfaring. Vi vet at vi ikke kan fange opp alt. Hvis du tror at vi har gått glipp av noe, kan du rapportere det. Mer informasjon
Se hva andre synes
I purchased my original electric kit 5 years ago in UK and all is still working well. I needed an additional battery due to touring and long riding sessions. I contacted Lvbu Tech and ordered the new... Vis mer
Azienda seria e qualifica. Personale eccezionale che segue attentamente e con professionalità ogni aspetto, dalla scelta del modello più adatto a completamento della installazione. Sono rimasto molto... Vis mer
Acheter 1 kit roue arrière + une batterie selle contrôleur, tout et OK , 👌 la vendeuse Mila est très compétente, et répond à toutes les questions, et vous aide pour le montage. Elle s’occupe des suiv... Vis mer
Informasjon om virksomheten
Skrevet av virksomheten
Jiangxi Lvbu Technology Co., Ltd. is a professional electric bike conversion kit manufacturer, established in July 2014 and located in Nanchang, the capital of Jiangxi Province. It is dedicated to the research and development, production and sales of smart cycling equipment, and strives to improve people's cycling environment. The company has an experienced and skilled R&D team, full of vigor and dreams. The product has obtained a number of national patents and copyrights.
Kontaktopplysninger
Shuangchuang Street, Peking University Science Park, Economic Development Zone, Nanchang City, Jiangxi Province , 330000, Nanchang, Kina
- +86 191 6825 2930
- blueflyer@lvbu.tech
- www.lvbu.tech
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Se hvordan anmeldelsene og vurderingene deres innhentes, vurderes og modereres.
Fantastic company
Fantastic company that make amazing products, and have been really helpful and quick at communicating. Great experiences!
Azienda seria e qualifica
Azienda seria e qualifica. Personale eccezionale che segue attentamente e con professionalità ogni aspetto, dalla scelta del modello più adatto a completamento della installazione. Sono rimasto molto soddisfatto dell' esperienza a seguito dell'acquisto di due kit per brompton
Great motor. Great service
They are an amazing business. The service is first class. They check everything about your bike before posting the motor to ensure it will fit. They almost instantly reply to queries. The motor are first class, quiet and powerful.
Additional Battery
I purchased my original electric kit 5 years ago in UK and all is still working well. I needed an additional battery due to touring and long riding sessions. I contacted Lvbu Tech and ordered the new N20 battery. Miya Liu in customer Services realised I had the old charger and included a type “C” charger with the new battery. It arrived promptly after a couple of weeks as promised and all is working well. Must compliment Miya Liu who assisted me through the purchasing process. She is a credit to the company.
Absolutely new experience
I bought a KN20S kit for my Brompton. The quality is much better than I expected, the installation took about one hour, maybe a little more. l had some issues, but I received instructions almost immediately.
Now I can ride much more easily, the motor is very quiet and powerful, the battery capacity is sufficient for everyday use.
The support and the communication are perfect, not to mention the price. The kit arrived as promised, very well packed.
KN20s
The quality is much better than I expected, it is very easy to install, the motor is very quiet and powerful,
Now I can ride longer distance and have more fun.
Mida also provided excellent after sale support. She provided accurate shipping info and patiently answered all my questions.
I had the pleasure of dealing with Ms…
I had the pleasure of dealing with Ms Miya Liu, I found her to be very proffesional, friendly and informative. She answered my questions quickly and dispatched my oder quickly. I can highly recommend this Company for your ebike requirements, they offer a great service / great products and provide a great shopping experience.
From Bike to E-Bike: Commitment That Drives Success
Subject: Exceptional Service and Successful Ebike Conversion Experience
Dear Nanchang Lvbu Import and Export Co., Ltd.,
I am writing to share my positive experience with your company and to highlight the exceptional assistance provided by Miyu Liu during my first purchase.
The shipment arrived promptly, and Miyu Liu continued to impress with her support throughout the assembly process. Her responsiveness, patience, and competence in assisting with the setup were remarkable. She is a committed professional who works beyond her regular hours to ensure customer satisfaction. Thanks to her guidance, I successfully converted my bike into an e-bike without incurring hefty costs.
I am extremely happy with both the product and the service I received. Miyu Liu’s dedication and expertise have made my experience not only positive but also inspiring for anyone looking to explore an affordable e-bike conversion.
Thank you for providing such a secure and customer-focused purchasing experience. I look forward to future transactions with your team.
Best regards,
Rahim Paker
Good value for money, and great customer service
I purchased the KN front wheel motor with 250W in march 2025. I hesitated with the KF model but the KN is sufficient for the 9 km commute (I can charge at work if needed for the trip back).
The delivery was very fast because it was shipped from Germany warehouse.
Support was very useful and reactive through WhatsApp. They followed through all the steps.
Installation was easy, there was a video on top of the instruction manual. The only issue I met is that my fork is with suspension, so while the fork dropout spacing was 10cm (minimum required) the spacing between the tube of the fork was a little shorter and the fit of the wheel motor was tight (the screw of the brake rotor touched the fork), fortunately the wheel came with spare flat head screw to attach the brake rotor so I used them instead of the round head screws and then no more contact with the frame.
Regarding the motor, I am very happy so far (but I just used 3 days), I do a 9km commute with lots of hills and the battery can make it with around 75% left at arrival (I use the ‘commuting mode’). It can take me to 25kmph without problem even going up. I really like the throttle to help when starting, I feel it’s like a security feature because I can quickly get away from cars when the red light goes green.
This product was recommended by a friend who purchased before and I am happy it all work as advertised.
Very helpful staff
Very helpful staff, very cool kit! Thank you for all the help guys!
Great customer service
Great customer service. Miya was extremely helpful. The wheel is great and delivery was good. This is the second kit I have brought and am very happy with it. Any issues setting it up they were very quick to respond through WhatsApp to help me.
KF30S 9ah 250watts Rear wheel
I recently purchased an e-bike from Lvbu, and I must say, the entire experience has been outstanding from start to finish. Not only is the customer service exceptional, with Miya going above and beyond to ensure everything was perfect, but the bike itself is simply incredible.
The installation process was incredibly easy compared to other e-bike brands I’ve tried. All the parts were well-organized, and the instructions were clear and straightforward. I was able to get my bike up and running in no time, which is a huge plus, especially for anyone who isn’t mechanically inclined.
What really sets the Lvbu e-bike apart, though, is its design. The bike is sleek, modern, and doesn’t even look like a typical electric bike. The clean lines and minimalist aesthetic make it look like a high-end traditional bicycle, not a bulky electric one. It’s the perfect blend of style and functionality, offering a smooth, powerful ride without compromising on looks.
The e-bike is incredibly smooth to ride, and the technology behind it works flawlessly. It’s clear that Lvbu takes great pride in creating products that not only perform well but also look good while doing it.
The customer service, especially Miya’s unwavering support, made my experience even better. She was always available to answer questions and help out whenever I needed assistance. It's rare to find a brand that combines top-notch products with such a caring, dedicated team.
The warranty process with Lvbu was equally impressive. They made sure that any questions or concerns I had regarding the bike's warranty were answered quickly and thoroughly. The support team is proactive, ensuring that you’re covered and your bike stays in top condition. It was reassuring to know that, should anything go wrong, the company stands by their product with a solid warranty.
Additionally, Lvbu provided me with a voucher for my next purchase, which was a wonderful surprise. It’s rare to see a company that goes the extra mile with not only exceptional products and support but also rewards their customers for their loyalty. This added benefit just solidified my confidence in the brand.
By the way, this is my third time purchasing from Lvbu, and the experience has been consistently great each time.
If you're in the market for an e-bike that’s easy to install, sleek in design, and performs beautifully, I highly recommend Lvbu. You won’t be disappointed!
A pleasure doing business with them
A pleasure doing business with them
Miya my contact through it all was excellent everything went seamlessly

Svar fra Jiangxi Lvbu Technology Co., Ltd.
I think the KF Bottle Battery Kit is the Best eBike Conversion Kit Awailable
I’ve purchased 7 kits over the years, 4 for my wife and me and 4 for neighbors. I am actually installing a new 29” kit on my mountain bike today.
I have the following observations:
Over all the design, technology and quality of production are excellent and I often recommend this kit to others. It's a great and inexpensive way to convert an existing bike to an eBike. I especially like that there is only one cable connecting the controller to the motor. I've also used the Bafang kit which has a spaghetti bowl full of different cables.
The improvement with the push button OFF/ON on the battery is a HUGE improvement over the old pinhole switch. A conversion kit-maybe something in the lid, to modify the pinhole switch to a push button OFF/ON would be very much appreciated. I’ve some ideas about this myself. I see there is a small circle on the battery lid where the ON/OFF button should go
The display should have the option to switch from metric to imperial measurement units. I’m comfortable working in metric but many Americans aren’t
The WePower app is very good but occasionally turns off on its own, requiring a reboot. This happens if I take a rest break of more than just a few moments when cycling
I’ve had one battery failure. In fact this was the extra battery I bought with the first bike kit and it has never worked. I only found this out when I went to use over a year after purchase. I ordered a kit from Rao to “wake up” the battery. It did wake up the battery but then the battery immediately dies again
I was unaware when I purchased my second kit that the old batteries do not work with the new controller. I think you should make the new controllers backwards compatible or make it clear to customers that old batteries will not work with new systems. Batteries are expensive so it would be good to be able to use old ones with new systems
I have mixed feelings about the torque sensor. I don’t like the lag but think it reduces the stress on the drive system.
Again, overall I think this is great technology, great quality and great customer service.

Svar fra Jiangxi Lvbu Technology Co., Ltd.
Solid Product & Customer Service
I initially purchased the KF series battery & front wheel motor (250W) in 2023, then purchased a second KF battery & front wheel (350W) just recently. The 250W motor & battery continues to work perfectly and the 350W wheel will become a welcome addition for my wife's bicycle. My recent purchase was an ideal experience largely due in part to the customer service provided by Miya. My questions were responded to very quickly and the detailed information provided was crucial to the purpose of my purchase. Product tips were offered proactively, updates on shipping progress and logistics were very much appreciated too. I would highly recommend Lvbu products for anyone wishing to upgrade their conventional bike to an e-bike.
Acheter 1 kit roue arrière + une…
Acheter 1 kit roue arrière + une batterie selle contrôleur, tout et OK , 👌 la vendeuse Mila est très compétente, et répond à toutes les questions, et vous aide pour le montage. Elle s’occupe des suivis 👌je recommande fortement cette société LVBU
Professional and quick service
I had been looking for an e-bike kit for a while and found LVBU, from my first interaction I have been supported and helped every step of the way. Communication has been absolutely top notch and out of hours for China! I was blown away by the response times and the quality of the products. I placed several orders including the KF30S and the Bx30D, both kits have performed really well with no issues, I use one of the kits on my personal bike as well as clients and not had a single issue. Insofar as a company I would highly recommend. I have read some negative reviews but as a business owner myself I know that people only usually take to social media platforms and review sites when things go south which at times, for whatever reason, they do...
If you're looking for a well priced, easy to install kit that doesn't mean a total bike rebuild then I highly recommend you try this out.
LVBU KF Series EBike Conversion Kit
I have had my KF series e bike kit for around 3 years now, not once has it missed a beat, the battery lasts for days of use, i was pleasantly surprised at the quality of materials used, especially the power coating on the battery itself. It was very easy to install following the installation video. Since I installed it, I accidentally broke the type c cable (completely my fault, being heavy handed. I contacted the LVBU team, who sent out another charger which was delivered very quickly. Then only today I fell off my bike, and bent the battery holder, so again I contacted LVBU, who have sent me the link to replace the part. Absolutely amazing customer service, better than most UK based businesses. Thank you LVBU, I will be buying another kit from you if I ever need a new one.
Grazie a Miya liu
È stato un piacere conoscere ed essere supportati dalla preziosa collaborazione di Miya Liu. Brava!
Extraordinary Electric Bikes Engines
For me the experience was great, got the motor wheel, install the App, calibrate it and go discover the city of Bucharest. Lvbu do not know how to promote themselves, they choose to put money in quality products not in quality, fancy videos, and this is what i appreciate the most. That's why i choose Lvbu motor.
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