Originally Posted by TroyLeeRacer199
So, just to clarify I would not have to buy a new bb if the shell on the new transition is 73?
yup. you can use the same bb. there's an adapter that your lbs can install for you that will let it work. i had the same problem too, going from my hardrock to a p.2 cromo, but turns out it wasn't really a problem at all.