The standard elita one seatpost clamp is the worst. Feels like your breaking it when torquing it to spec. If you tighten one bolt too much before the other the seat angle will change. Then youll get slipping after 200 miles. Almost a deal breaker for me.
I did buy a V shaped flexing seatpost, the Elita One Master. It has the best seatpost bolt ive ever used so far. The dampening really isn't a game changer tbh but is noticeable. I am sort of worried about the durability, probably wouldnt recommend to heavy