A suspension seat post can absorb some compression jolts to the discs of the spine, if that is your problem.
but .. Sarbear .. go visit a number of bike shops and pick a shop you like.. then talk about what you find there ...
linking to brand and model on the company website.
other than that its a big world with many hundreds of bike brands and models , so answer is like '42'..
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Last edited by fietsbob; 08-16-17 at 08:51 AM.