PX jibs are just heavy. I really liked them though, solid binding. Much bigger fan of FKS/pivots thought. I have a pair of griffons but i haven't mounted them to anything yet so i can't speak for them minus that most marker bindings are notorious for brake problems
You wouldn't know troll if one dragged you under a bridge and raped and killed you before casting your body into the sewage filled river heading toward the sea.