I'm picking up a gold Nitto seat post to replace my old scratched up Kalloy. The OEM seat post has some pretty deep scratches so I know the seat tube has serious burs that need to be cleaned up.

I was first going to use a rounded bast_rd metal file to see if I can remove any of the burs from the top. Then I would finish off using a dowel wrapped with sandpaper to clean it up.


My question: Is the seat collar bolt doing all the work on keeping the seat post at the set height....or does the friction between the seat post and inner seat tube walls provide additional support?

Just curious if it's bad to get the inner seat post tube too smooth.


Sorry if this sounds picky...but I remember putting a deep gouge in a brand new black Thomson and don't feel like repeating that one.

As long as you don't sand it to a wider seatpost size, I wouldn't worry about getting it too smooth. You should be putting a little grease on your post anyway to avoid seizing.