Rapid MID250 Conversion Kit

Availability: spodziewana dostawa
Price: €902.33 902.33
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A complete kit that will let you to quickly and easily change your existing bike into an e-bike. The electric bike will satisfy the lovers of longer trips, who enjoy the pleasure of driving over fast acceleration - this kit will help you climb hills easily.

The central motor kit is a very compact design because it has an integrated controller - so you do not need to place an additional container in the bike frame.

Rapid MID250 differs from the other kits by assembly method - the motor integrated with the controller is mounted in the bottom bracket in the place of the crank. Fits the standard 68-70 mm socket (does not fit the pressfit support).

Before conversion, prepare about 2 hours of free time and the most basic tools, such as a screwdriver or a flat wrench. In the kit you will receive a set of other, specialized tools - you can find their detailed description below.

The only additional element you need to purchase is the battery with the charger – you can find it in our store.




Speed up to 40 km/h!

A bike with a mounted set is a really powerful beast! Climb steep ramps, drive dirt roads without any problem. Press the handle completely and reach a speed of up to 40 km/h without pedaling!


No loose wires

The wiring has optimal length and separates at the very end, which allows you to connect all elements conveniently and aesthetically. In addition you will get a special neoprene band, so you can hide excess cables.


Waterproof plugs, motor and controller

Ride your e-bike even during a heavy rain, thanks to the use of hermetic plugs and water-resistant components such as motor, controller or display.


2-year warranty for the motor

We provide trouble-free motors for e-bikes, but in the event of any problems, we offer a 2-year warranty, implemented throughout the European Union.


Controller integrated with the motor

The controller for the Rapid MID250 set is placed directly in the motor, so you do not have to mount additional elements on the bicycle frame.


All required tools in the kit

In the package you will find all specialized tools that will allow you to quickly and efficiently convert your bike to e-bike.


Display on the handlebar

Resistant to rain, snow and other weather conditions - a clear LCD display that allows you to control the basic parameters of your e-bike on a regular basis: speed, motor temperature, driving mode (city and off-road), battery charge status and etc.


Solid motor components

The design of the MID250 motor and its standard, legal power (250W) makes all the most important elements - such as transmissions - wear much slower. You can enjoy trouble-free driving longer!



  • controller and crank integrated in the motor
  • throttle
  • brake handles
  • speed sensor
  • LCD display with remote control
  • wires with hermetic plugs
  • necessary tools


  • solid, but weighing only 3,9 kg engine mounted centrally
  • engine with the integrated controller
  • temperature sensor
  • 2-year warranty


  • displays the most important informations, such as – battery level, speed, mileage, currently used power, driving mode
  • integrated with the remote control, allowing you to change the settings
  • waterproof
  • backlighted


  • pedaling support
  • necessary, if you want to legally drive public roads


  • allows you to ride without using the pedals
  • useful when riding uphill
  • the harder you grip it, the faster you go
  • an optional element


  • stops the engine
  • an optional element




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