9 speed shimano cog spacing is 4.34mm and 10 speed is about 3.95. Not close enough.Andor said:Does anybody know if the 10 speed DA shifters work with a 9 speed bike?
...Campy 10v Ergos shifts S9 cogs fine.Andor said:Does anybody know if the 10 speed DA shifters work with a 9 speed bike?