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Rickrod719- This is typical of many suspended seat posts, the sliding shafts need plastic bushings and a bit of slop to "function/slide". Some more, some less. 1/4" of saddle nose play is actually less the many.
There's usually a collar that can tighten down onto the plastic bushing and snug it up, a bit, for a while. Since most suspension posts are made to a price point, and not a performance level, the "expected life" is not long for a frequent rider.
There have been exceptions to this but they generally cost many times the $30 "repair grade" post does. SunTour's NCX, CaneCreek's Thustbuster series and Redfit Sports are current examples of pivoting link designs as example.
For the $20 to get a solid post from your LBS and see how that works is a possible idea. Andy
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