Originally Posted by
alcjphil
That outer ring has absolutely nothing to do with being able to reinstall the bearing balls. That ring is only there to hold the sprockets in place on the freewheel body. Removing it will not enable you to get any farther installing the balls.
Pretty sure that ring is access to the inside of the freewheel and has nothing to do with the freewheel cogs. But you are correct that it doesn't give access to the hub bearings.