The Deda Ultra seat post is a high technology seatpillar. The main shaft in carbon fibre with CNC machined parts. Using Deda's own exclusive and patented nut retention system makes seat assempbly much easier.

- Diameter: 27.2 or 31.6
- Length: 340 mm (12 1/2 in.)
- Weight: 260 g (27.2)