I had a really stiff BB(107 x 68) in my Giant TCR (alu frame). Got the left side out but the drive side is more... problematic. Somehow managed to turn it the wrong way by putting the tool in a vice and turning the frame. I turned the right way but the BB remover, vice, bench, workshop, Planet Earth turned the wrong way... Yes i feel stupid. Result is that the BB cup (the bit attached to the cartridge) now turns BOTH ways and wont come out no matter which way i turn it. It made a sound like a herd of elephants as i forced all my might on it. Now i can't get the bugger out. What does one do in this situation? I know you can work around it if you have an empty (stripped) shell, but i still have the old one in. I have a Stronglight BB ready to install and don't mind Using a beer can shim or even welding it in place with PBweld or even tapping a new thread and buying another a 68mm+ BB etc. But the fact is that the old one is still in there.
I worry that the LBS will, after laughing at me, tell me to get a new frame as a pennace. Can i hammer it out? Drill it out? What tools or techniques would they use?