I'm not sure where to point the finger, because as I said, the Spyres worked fine, I think, but I wouldn't in any way rule out user ignorance in my own case :p
I spent the majority of this build time waiting for adapters for things that I had never even considered needing adapters for
Looking at them, I think my front is now fine, but just hasn't caught up to the initial wear; but the rear might need more fiddling