Hi. I have a Legnano racing bike, circa late 60's, that I used to race as a teenager in New Zealand. We now live in the UK and recently bought an apartment in Italy. Last year I took my bike 'home' to Italy so that I can ride it when I'm over there on holiday - what a joy! In fact we pass the city of Legnano when we drive from Milan.

Here's the thing...

The bike is in Italy, I'm in the UK and I want to buy a new seat post before I go in the summer. However I don't know what size I should get?

Any ideas? So the question is: What is the diameter of a late 60's Legnano seat post?

Thanks in advance
Lloyd