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Campagnolo 9 speed vs 10 Speed

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Old 10-31-22, 08:19 AM
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SJX426 
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Campagnolo 9 speed vs 10 Speed

If I have a 10v cassette and a 10V Ergo, Can I simply replace the 9v equivalent and be done?
The rd is a Racing T, RD01-RA309. I assume it will work with 10 speed cassette..
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Old 10-31-22, 08:43 PM
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Dave Mayer
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Originally Posted by SJX426
If I have a 10v cassette and a 10V Ergo, Can I simply replace the 9v equivalent and be done?
The rd is a Racing T, RD01-RA309. I assume it will work with 10 speed cassette..
Your Racing-T is likely the last iteration of the 9-speed units, with the with the new bulbous lower pivot and adjustable lower pivot tension ring. If so, then it has the new 1.50:1 actuation ratio, and therefore is 10-speed compatible.

A pic would confirm.
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Old 11-01-22, 06:30 AM
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@Dave Mayer - I confirmed after the post. It is the last version.
Currently working with a 9V cassette and 9v ring in the 10V Ergo (second gen Ergo of course).
I am thinking of converting to 10V to add a lower tooth count as an option. I run out of cadence too soon going down hills. The 53/11 on the De Rosa is a bit much but a combo of 52/12 would be better than the current 52/13. All this on a triple 52/42/30.

Loosing the 30/26 to a 30/25 would be acceptable
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