Removing Fork for Kleins form this era (1998 Quantum Pro) is not straight forward. Apparently requires to be hammered out with some special "anvil" tool from Klein as they are pressed on and glued with Loctite. None of my local bike mechanics have any experience with this and they warned following this technique would certainly ruin the headset and possible damage the head tube. This annoyance plus the hassle of the internal cabling is enough for me to give up on the idea of adding a Klein to the quiver. There are just too many other great classic bikes out there without these hassles.