KS LEV Si Dropper Post - 31.6mm - 125mm TravelKS LEV Si Dropper Post 31. 6mm 125mm Travel There is a lot to like about the KS LEV Si. It's reasonable price, 125mm travel, high build quality and much more. Its easy fit process, solid reliability and consistency over time make this an incredible value dropper post. There truly is plenty to recommend and almost nothing to complain about with this dropper post. Alloy stanchion & mast Adjustable air sprung hydraulic cartridge Designed for internal