rather than doing that, you could get one of these ...http://www.sjscycles.co.uk/kcnc-bb30-bottom-bracket-to-shimano-adaptor-road-68-mm-prod33009/
I put mine in the freezer over night, and it just pushed in, then tightened it up, no bashing or bearing presses, and its about the same price as a BB30 to 24mm converter, and it doesn't creak.
@Dogs started
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rather than doing that, you could get one of these ...http://www.sjscycles.co.uk/kcnc-bb30-bottom-bracket-to-shimano-adaptor-road-68-mm-prod33009/
I put mine in the freezer over night, and it just pushed in, then tightened it up, no bashing or bearing presses, and its about the same price as a BB30 to 24mm converter, and it doesn't creak.