Originally Posted by
anti.team
3. It may take some adjustment using the friction shifters on 9sp since the cogs are a little closer together. I haven't tried it myself but I doubt it would be an issue. Other than that, I doubt you will have any issues.
I went to 8 from 7 and seem to screw up a similar number of shifts
Actually, I think my shifting is slightly better, because I went to a "road" geared cassette from a "mountain" geared one. Those 1 & 2 Tooth differences seem to "ease in" a little better, than the 3-4 tooth changes.