If your crank was really rounded bad - It may be worth replacing the BB - In The old days when i was a kid doing "street" & "dirt" riding i rounded a few cranks off - bought new cranks then rounded them off real quick - turns out the taper on BB was shot too... Just My advice. - and yes i know the metal of the BB is super toughened and tougher than the alloy cranks - but it happened....
If your crank was really rounded bad - It may be worth replacing the BB - In The old days when i was a kid doing "street" & "dirt" riding i rounded a few cranks off - bought new cranks then rounded them off real quick - turns out the taper on BB was shot too... Just My advice. - and yes i know the metal of the BB is super toughened and tougher than the alloy cranks - but it happened....