Originally Posted by Roger M

I had a similar problem with a Campagnolo seatpost recently. I wasn't going for a factory original finish, so mine turned out a bit overdone.

I think if you clamp the post in a vise, and sand with the 'grain' of the machining, you should be able to get good results. I would finish with 400-500 grit and see what that gets you(you can always go finer if it's not good enough)

Good luck!

Here's the link for my project

https://www.bikeforums.net/classic-v...ab-thread.html