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By Color of the frame:

By Colour of Seat-post clamp:

By Cranks colour:

By Cranks length:

By Designed for brake:

By Frame:

By frame length:

By Ideal for:

By Pedals:

By Price range:

By Rim colour:


By Seatpost diameter:

By Seatpost XXL:

By Tyre:


                       The MAD-Race in Action !




We have written a document in which we describe the Mad4One frames and how they have been designed. The shape, the material and the reasons of our choices. We hope you will find it interesting and useful :
How we developed the Mad4One's Frames. The reasons of our choices


2018 Mad4One has launched the new MAD-Races.

Together with our Race-Team consisting of Niklas Wojtek, Noah Leber, Simon Rodler and Andreas Richter, all components of our new MAD-Race have been carefully developed and improved and finally, our Team could test the NEW MAD-RACE.

Here their first feelings on them: LINK TO THE INTERVIEW  


World-records have been achieved by Niklas Wojtek in Nottwil on June 9th and 10th 2018


                                                        200 mt 



                                                   100 mt


                                                                                             Organize your life around your dreams
and watch them come true.


How to re-order the Products in each Category to make your choice easier.
Now you are in the Category UNICYCLES MAD Race.
You can filter the Products by LIST (the system will show them one after the other) or by GRID (one product near the other).
Then you can also re-order them by PRODUCT or PRICE.
By clicking on "ITEM NAME" you can re-order them by:
  • "ITEM NAME+": the products will be listed by description. First will appear the descriptions starting with a number, the remaining ones will be listed alphabetically (A-Z).
  • "ITEM NAME-": the products will appear in a sequence contrary to the above.

By clicking on "PRICE" you can re-order them by:

  • "PRICE+" from the lowest to the highest.
  • "PRICE-": from the highest to the lowest.




                                                 Click on the picture, here you find a short introduction to our 3 RACE Setups



All MAD-RACE comply with the UNICYCLE 24 CLASS

A few words about the 24 Unicycle Class according to the IUF Rulebook .....

The IUF Rulebook (go to chapter 2B.2 of the “2019 Competitor Rules” ( does not specify the size of the tire, it refers only to "the tire diameter range"  allowed, that is,  the diameter of the entire wheel including the tire.

As regards the 24 Class it says that the diameter range must be "more than 518mm - 618mm"  and the cranks must be at least 125mm long.

The MAD-RACE 24” has a wheel-diameter, including the tire, of 606mm.

The MAD-RACE 26” has a wheel-diameter, including the tire, of 616mm.

There may be some variations due to the tire pressure.

Is it better the 24- or the 26-inch?

The MAD-RACE 26-inch ist faster, the MAD-RACE 24-inch is more stable,  especially on wet surfaces.
The MAD-RACE 24-inch is better for WHEEL WALK  and the IUF SLALOM.



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