The issue is that all the teeth of the cup are gone.
I have a fine thread bolt and a large washer which I use to secure the BB tool to the BB cup. Then use a long metal tube for leverage.
That's not a bad idea. Does the bolt need to be so long? Would a crank bolt not work OK? I did try that technique, but the threaded hole in the taper was full of mud/rust so I gave up...
Crank bolt won't be long enough as it needs to hold the tool and thread in the BB.
You can come and borrow all the kit from me if you want
@fizzy.bleach started
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The issue is that all the teeth of the cup are gone.
I have a fine thread bolt and a large washer which I use to secure the BB tool to the BB cup.
Then use a long metal tube for leverage.