My hub isn't listed. It has the Bianchi hub that comes stock w/ the Pista. I'm confident that everything is set-up right.

It's a flip-flop hub and if I measure from the side of the hub to the center of the sprocket on the freewheel it is about 10mm longer than from the side of the hub to the center of the fixed gear on the other side. The problem is the thickness of the freewheel.