I dont know about the vanes but as for the axis I pesonaly love them. I have taken many deer with them and never had one brake unless i did something stupid like shot one in to the other.the only thing i wish they would do is come out with a .003 straightness version in the same gpi range. I am in the proses of putting 2.25 quickspins on them. I hope they hold up and shoot good, i havnt really seen that many people shooting the quickspins so i am kinda just giveing them a try.