While I love my Look Kg386 it comes with a 25mm instead of a 25.4mm seatpost. 25mm Look Ergo posts are good but pricey and increasingly difficult to find
https://www.bellatisport.com/shop/pr..._diameter.html
I have ground down a 25.4mm post but heard a cracking sound. I now ride with a steel post inside my ground down seatpost.