Originally Posted by northernlights

I have both suspension and non-suspension folders.

My downtube 9fs is dual suspension. It weighs quite a bit more than my non-suspensed Tern D8 but I can tell you the ride is extremely nice and comfortable. The extra weight is more than worth it for the enhanced comfort imo especially on long rides. It doesn't feel heavy at all when riding it. The bobbing isn't really noticeable or bothersome in any way at least not to me. You can get a suspended seatpost made just for Tern bikes which improves the ride but of course its not as good as having full suspension.