Selcof is well known for its seat post. This one is one from the top shelf of this Italian producer. The shaft is made of titanium and the clamping mechanism has a single Allan key bolt for micro adjustments. This particular one has been shortened to 18 cm.
Lenght from the end to the seat rails: 18,1 cm
Maximum extension from the seat tube to the seat rails: approximately 13 cm
Setback: approx. 1,5 cm
Weight: 186 g