People also liked:
Intro / Spec / Review / Manual / Video / Photo

Lvbu KH50S E-bike Kit

Smart E-bike wheel, just take 5 minutes to convert a normal bike into an E-bike

Smart Asssit system/ High Efficient Output Arrangement/ Bluetooth 5.0/ Induction cut off system/ Built in Gyroscope/ Road Slope degrees detection/ All Terrain Application/ Anti-theft tracking

  • (optional)
  • (optional)
  • Smart ebike kit

    Fast installation in 5 minutes

  • 16-29 inch

    Multiple wheel size

  • Bluetooth 5.0

    A new era of interactive experience

  • Speed ≤32km/h

    250/350W high speed permanent magnet motor

  • Micro Power

    Provides you the best cycling experience

  • Four control ways


Product Specifications

    Battery Capacity
    48V 12Ah
    Charging time
    Battery Type
    18650 power lithium ion battery
    AC110V-AC220V DC48V 2A 5502plug
    Assist Range
    Top Speed
    Wheel size
    Rated Power
    Motor Structure
    Gear drive
    Motor Efficiency
    Max Torque
    Wireless Connection
    Bluetooth 5.0 (Allows the controller to connect to multiple devices at the same time)
    Product Dimensions
    Net weight (including rim&tire)

Just 2 steps to convert a normal bike into a smart ebike

The KH50S ebike kit can be quickly installed on your bike. It can be installed by anyone in a few minutes. There are two simple steps to turn your normal bike into a smart ebike:

Fits Every Size Of Bike

KH50S electric bicycle kit fits all standard bikes. It has multiple sizes from 24" to 29" and 700C

High quality 18650 lithium battery

EV lithium-ion battery cell with internal resistance as low as 18mΩ, capacity of 2900mA, 3C high-rate discharge.The 18650 power lithium battery offers consistency, high energy density, and faster charge-discharge performance.Tried and tested over time, 80% capacity remains after 1000 cycles.

Using high-performance and high-safety BMS battery protection system

  • Over-discharge protection
  • Over current protection
  • Temperature protection
  • Over charge protection
  • Short circuit protection
  • Battery balance

IP65 waterproof grade

IP65 waterproof grade makes you ride freely in the rain.

Multifunction battery

250-500W high quality motor

Small size, light weight, high efficiency, smooth operation, long life Planetary gear and clutch: no resistance, easy to ride even when the battery is dead.

Micro Power System

9 years of research and development has gone into creating a versatile and cost-effective product for cyclists. The micro power system offers intelligent assistance with induction brakes that have a response time of 10ms. The system can sense the speed, acceleration and road slope, it will help you automatically when you pedal.Uphill automatically increase power,downhill automatically cut off power.

Speed up to 32km/h

Speed limitation is settable in the APP.
*The default Speed limitation is 25km/h, you can set the speed limitation up to 32km/h in the APP.

Anti-theft tracking, lost bike tracking.

You can report lost when your bike is stolen. After you report lost, once the thief tried to connect the wheel with the APP, the system will locate the mobile phone, disable the motor immediately and upload the information to the server.



You can use the APP to control the wheel, upgrade the firmware, set the assist mode, set the assist level, calibrate the gyroscope angle, and detect the fault. And also you can check the speed, temperature, power, mileage and track the location through the lost bike tracking function.

  • Commute mode
  • Leisure mode
  • Manual mode
  • Exercise mode
  • Climbing mode


We has applied for more than 30 kinds of national patents,
9pcs software copyrights, 7pcs trademarks,
and the number of patents and software copyrights are increasing every year.

Packing list

  • Wheel with motor

  • KH50S battery

  • KH50S battery holder (controller)

  • Bluetooth display (optional)

  • Charger

  • Pedal sensor (optional)

Welcome to send us your enquiry, we will contact you as soon as possible
The message will be saved after closing the window
2 REVIEWS - KH50S Ebike Conversion Kit
F. Robert
, 3/12/2024
This product does just it say it does, it helps you climb the hills and grades.I’m very pleased with this motor kit, it’s very compact and very easy it install
Model: KH50S 250W, 250W
Size: 26'', 26 inch rim with tyre
Color: Black, Black
Danielle Kirkpatrick
France , 3/8/2024
Wonderful kit and amazing customer service. Put the kit on my Citizen Miami folding bike, and it works perfectly. Thank you!
Model: KH50S 250W, 250W
Size: 29'', 29 inch rim with tyre
Color: Black, Black
Message success
Thanks for your message, Pls. pay attention to your email box. Have a nice day !