Originally Posted by al.wong
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.
It is so. If you install one of those ISIS 68/73 suckers on a 68mm shell, it looks like a whole bunch of the adjustable cup hangs out. Because it does. But it works! Just make sure to torque the bejeebus out of your crankbolts.