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DA 10-speed cassette info...(3 posts)

DA 10-speed cassette info...divve
Jul 5, 2003 6:35 PM
It's just preliminary but here goes...the 10-speed cassette is said to actually be narrower than the 9-speed. The individual cogs are 3.9mm versus 4.35, including the slightly narrower spacing the 10-speed will require an extra spacer to fit the older 9-speed hubs. I'm assuming that this is the reason 9-speed cassettes won't fit 10-speed's simply too wide:) (I realize there might be slight difference in the splines as well.) For the remainder, the 10-speed chain is 5.9mm wide, which is if I'm not mistaken 0.65mm narrower compared to the current 9-speed version.
Jul 5, 2003 9:44 PM
How does the individual cog width and spacing width compare to Campagnolo 10 speed?
I goofed...divve
Jul 6, 2003 8:46 AM
The widths of 3.9mm and 4.35mm are shift spacing specs. The cogs are much thinner than that of course:) On the 10-speed Campy the spacing is 4.12mm, which makes it incompatible again.