Originally Posted by Brian25

The reason that I stated the chain ring to be on backwards, is that in the late 80's Shimano figured that if they would put a flaring on the inside of the large and mid rings, so that when downshifting, the flaring would guide the chain and would have a lot less propensity to drop down between the chain rings (undesirable) and get wedged in place. There is no logic (that I know of) to have the flaring on the outside of the chain ring. I have never seen a stock crank with the faring on the outside, Because you are mixing brands, I am not ruling out the need for variation in the smallest chain ring spacing.