Fox Dropper Post IFP Height Tool Set It Right the First Time Rebuilding a Transfer seatpost comes down to precision, and the IFP height is one of the steps where guesswork costs you. This tool takes the uncertainty out of internal floating piston placement during a Transfer post rebuild, setting the IFP at the correct depth for 150mm travel so the post cycles and seals exactly as designed. If you're doing the work yourself, this is the tool that keeps the job clean and repeatable. Features Travel-specific IFP depth gauge sets the internal floating piston at the correct 1. 870" height for 150mm Transfer seatpost travel Transfer seatpost compatibility designed for use in Fox Transfer dropper post rebuilds per Fox service procedures Part of the Fox service tool ecosystem pairs with other Transfer rebuild tools including the Delrin Push Rod (398-00-740) and Spool Valve Compressor (398-00-700) Fox MFG# 398-00-690 confirms fitment and ensures you have the correct travel variant before starting the rebuild | Fox Racing Shox | Dropper Post Ifp Height Tool 1. 870 (150Mm Travel) Transfer, Turbine-R