shock absorbing seat posts

Region
USA
I recently replaced my 26" cruiser seat/saddle with something wider with a thicker cushion and recoil springs. I've seen some seat posts that are on some ebikes with some sort of recoil mechanism integrated into the post. Anyone using one of these seat post and do they actually work?
 
I've never been impressed by a pogo stick seat post. They are common and cheap. I also use one of those parallelogram Suntour NCX suspension seatpost, and it works fine.
You can spend up to $300 for a suspension seatpost, add a quality saddle and you're sitting on over five hundred bucks!
 
I have the NCX and a Cane Creek EeSilk. No comparison. The EeSilk has rebound damping, the NCX slaps on the way up. The NCX is copied by a plethora of Chinese hack companies. Buy it only from Suntour. Ebay and Amazon are full of clones.
 
I have a Redshift City seatpost installed on my cruiser bike that came with no suspension, front of rear. It does a pretty good job of cushioning the smaller bumps like pavement breaks, and it can be fine tuned to a person's weight or preference.
 
The only disadvantage of the p-gram posts is difficult steep terrain where they can pogo you over the bars with every bump, and you usually have little room to drop the post.
Apart from that more extreme use, they are absolutely fantastic for me, a cheap amazon M-wave copy still going strong after two years of intense workout.
 
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