Alrighty! She’s finished! I got the KCNC seat post in the mail today, the first one was lost in the mail, he (OS eBay seller) was nice enough to send me another one (even though he did take a few months!).
It’s as light as they say it is at 153g. Damn light. It’s also a bitch to set up right, but set and forget I suppose.
Final weight of the keep it real with steel single speed is 9.46kg.