Originally Posted by
gdgross
The problem is how to remove the shaft cover thing on the sprocket side. It's an octagon, and looks to be 1.5" diameter. I tried with my big crescent wrench, but I can't get a good enough grip on it without it slipping off, and I'm afraid of rounding the edges, so I don't want to push it.
If you really want to get it out you pretty much have to bolt whatever tool you use to the cup so it doesn't slip.
https://www.bikeforums.net/classic-v...-cup-tool.html