-
Same issue as me then. I couldn’t get the freehub to free wheel with it on, but I was stressed as heck so might’ve made a mistake. My boss claimed that a colleague made the thing work with the rubber gasket installed, but I never confirmed. Your mileage may vary, I’d suggest installing it and see if its spins freely.
Would be worth taking a pic of the inside for folks here to double check/confirm.
Yes remove the spacer. I had a debate at work about the rubber gasket, in our case wouldn’t freewheel with it on.
— looking at your pic it looks like a plastic shim. Is it hard plastic or flexible rubber?