Originally Posted by
KerryIrons
And not that the old style tool will not work unless you remove the axle first; there isn't enough room to slide the tool in. You need the thin-wall tool.
You don't need to remove the axle; just the locknut and spacer, so the tool will seat in the freewheel body. Many hubs intended for those old "boss" freewheels have a second locknut behind the spacer, so when you remove the outer locknut and spacer, you don't lose your bearing preload adjustment.