Thudbuster is great, but probably over kill. I'm loving the Ergon one I have, its been my favorite (light and not cheap). It really surprised me (I haven't used the thudbuster since). Hated the CGR, but that could be because it didn't like the bike I used it on most.
Kinekt BodyFloat on a Salsa Fargo. I refer to it as my “Gravel Cadillac”. 29er tires under a steel frame under the BodyFloat allows me to comfortably ride hands-free over most graveled surfaces when I need to sit up or stretch or change positions.
I previously owned Thudbusters (both models) prior to the BodyFloat. It was too (front-to-back) bouncy (versus and up-and-down) and didn't work for me.
I now own 3 BodyFloats.
I'm in for the RedShift Kickstarter, but am still waiting for them to deliver.
I've tired several. The Specialized CGR doesn't move at all (unlike the prototypes they show in videos), so it is useless. Thudbuster ST has a little too much movement for Gravel/Road use. Ergon CF3 is great, but is a pain to setup and likes to slip in the frame. Right now I am using the Cane Creek eesilk, and it is great, you don't even notice its there but it really smooths things out.
![[5D3A2051-L]](https://photos.smugmug.com/Techs/My-bike/Turner-Cyclosys/i-6xgpmQT/1/a1559647/L/5D3A2051-L.jpg)