If you have one side off can you remove the b.b axel (easy if it is a non seal job) and thenuse a firm surface + hammer + punck to remove axel?
Other wise yeah cut it off and you will have to replace the b.b.
These guys will repair your stripped crank extractor http://www.highpath.net/cycles/special/repairs.html
@TheBrick(Tommy) started
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If you have one side off can you remove the b.b axel (easy if it is a non seal job) and thenuse a firm surface + hammer + punck to remove axel?
Other wise yeah cut it off and you will have to replace the b.b.
These guys will repair your stripped crank extractor http://www.highpath.net/cycles/special/repairs.html