I can't comment on the experimentation of FBV on Goalie skates, but changing the spiner and re-dressing the wheel is a snap. Under a minute.... I haven't used the new Blackstone, but I do some other skate work for a USHL team and the trainer has a Blackstone portable spinner. He loves it! How does the edge hold up on a FBV grind. Most understand a 3/8 edge has thinner side walls than a 1/2, 5/8, etc and isn't as durable because the thickness of the sidewall. Does this effect the FBV as well?