This is a used dropper post. It doesn’t work. It probably could with a rebuild but I don’t need it for anything I have currently and I’m trying to downsize a few hundred projects that I probably won’t get to before my 100th birthday I have no idea what’s wrong with it but probably seals at the very least. I got it on a bike that wasn’t set up for it at all and the prior owner didn’t have any idea how it worked since it doesn’t. So if you need parts or another project here ya go