Originally Posted by
bikeman715
I agree , I wasn't sure because it is a dura-age cassette and if the spacing would be the same . Thank bill for the correction .
A mid size cage would work too if wanted .
1. It's Dura Ace.
2. IF a short cage RDER will work, it's rather obvious a longer cage will also work.
3. If you aren't sure, you shouldn't make recommendations.