After lots of thinking and many prototypes, we have received the the final design for the Uno seat. For almost 1 year we have been trying to solve the problem on the post moving when tightening the clamp. We tried lots of diferent materials. Eveything available. But no matter how hard they were, the problem was still there. We didn´t want to just use a tube sleeve that will not only break the one piece seat concept, but also may create movement between the seat