Originally Posted by whisperquiet
The fork cap threads on to the damper cartridge if like most forks. Usually, about 12mm of the damper rod is threaded into the top fork cap.....don't thread too much into the cap. Also, some upside down forks have a small diameter internal hollow tube that runs the length of the damper tube from the fork cap rebound adjuster to the bottom of the fork.
yes. I found this out on my learning curve.