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Seat Posts


Mad4One XXL, the unicycle seatpost

The seatpost is a component that is highly stressed both in the normal use and in case of fall.
If you are using handles and saddles with hand supports the stress on the seat post increases heavily.
For this reason stiffness is very important.
What to check
1. The interface between saddle and seat post. There are several standards on the market:
  • The Western Standard has 4 holes 15x62 mm, rather close to each other
  • The Eastern Standard has holes that are decidedly more distant from each other.
2. The diameter
The standard sizes are: 22.2   25.4   27.2. Therefore check it before you chose your new seatpost.
There are also seat post shim like this one: the seat post shim
In our sport some saddles adopt the bicycle standard and others a proprietary and patented standard mainly used on BMX (Pivoting).

The inclination of the saddle is important for comfort. We have decided to focus on stiffness. For this reason we have developed

The Mad4One XXL seatpost

which is the concrete example of great stiffness and reliability. We have developed a fixed but 2 degrees inclined support, that may be used in one or the other direction. This offers a wide range of possible adjustments. 



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