As you know(180), I had a 1st batch 65mm pulley from Eurocharged that was a POS! I would agree about the original Machinist/Maker of these pulleys not having their trade certification papers, or at the very least, were not adequately anally retentive. However... The replacement 65mm pulley from them(Eurocharged)
has been flawless, has strong spring tension, looks like a gem, and I've been happy w/ it. I think they must have fired machinist dude #1.
Anyway..... being that I seem to never be satisfied with the modding obsession; now I want a 62mm Karmen from Rudy.