If you have the non drive side off remove the b.b cup from the non drive side and then you can with a bit of fingure fiddling unscrew the b.b from the frame. You are now free to work with out a big awkward frame in the way. Now you can just get a large hammer and punch to bang out the b.b spindle from the crank.
If you have the non drive side off remove the b.b cup from the non drive side and then you can with a bit of fingure fiddling unscrew the b.b from the frame. You are now free to work with out a big awkward frame in the way. Now you can just get a large hammer and punch to bang out the b.b spindle from the crank.