Originally Posted by Canker

I'm on my 3rd PNW style external post, tons of people make them and they all work the same way. They work great but are a huge PITA to rebuild when something goes wrong. They are basically the same post as their internal droppers but use a nylon string that runs from the bottom of the post that actuates the dropper up to the top where the cable attaches. The problem is the tolerances are so tight that dealing with the nylon cable when you have to rebuild the post is nearly impossible.