The math works (but shouldn't the track value suppose to be 42?). You could get caught unaware by the fact that some bottom brackets are not symmetrical. The Shimano 118 for instance.
You could contact Phil and ask them directly, they given me input on the correct bb for certain setups.
This is Africa, 1943. War spits out its violence overhead and the sandy graveyard swallows it up. Her name is King Nine, B-25, medium bomber, Twelfth Air Force. On a hot, still morning she took off from Tunisia to bomb the southern tip of Italy. An errant piece of flak tore a hole in a wing tank and, like a wounded bird, this is where she landed, not to return on this day, or any other day.
Last edited by dobber; 08-21-07 at 01:56 PM.