Originally Posted by
HillMut
You won't be able to see the spacer w/o taking the cassette off, but if you can't move the cassette w/ your fingers it is probably there.
What you're seeing is normal as far as I know, happens on my ksyriums w/ 9 or 10sp cassettes.
Yes I forgot to note that when I needed the spacer, I could move the cassette with my hand about 1 mm or so each way and it felt loose.