Originally Posted by monogodo

From what I understand, yes. There's a part at the back of the body that pops out that contains the indexing unit (think Campy Synchro inserts, only different). Replace the one from your 9 with one from an 8. My brother switched all of his 8s to 9s about a year or so ago. I can check with him & see if he still has the 8s inserts lying around.