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Not entirely surprised you have problems refer here... According to this link, Cable Pull for a Campy 10 shifter is 2.8mm, dérailleur ratio for a Campy is 1.5 (or 1.4 for old) Cassette sprocket pitch for SRam 9 is 4.35. So a single shift on the the 10speed is 2.8*1.5 = 4.2mm (ideal is 4.35). Over a 9 speeds that an error of 1.35mm, so when tuning, you ...

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