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Looking for more info on Campagnolo RD EH26

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Looking for more info on Campagnolo RD EH26

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Old 06-04-18 | 04:56 AM
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Looking for more info on Campagnolo RD EH26

Don't know much about this RD but searches turned up the EH26 model number and maybe identified as a 1st gen Chorus 9 Speed. Can anyone provide more info on it like pull ratio and compatibility with 8V or 10V gearing including Ergo shifters?

P1000489, on Flickr
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Old 06-04-18 | 10:25 AM
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I don't think that is the first version of their Chorus 9s rear derailer. Note the absence of a top-knuckle B-tension screw. This one should thus feature the later pull ratio common with 10s mechs, and the pulleys may even have "9/10 speed" molded into the plastic.
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Old 06-05-18 | 05:12 AM
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[MENTION=185430]dddd[/MENTION] - I will check the pulleys. Thanks!

Checked: Yes the lower pulley has "C9 - C10" nomenclated.

After trying to find info, it looks like there really isn't much available in terms of generational descriptions.
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