Dura Ace 10 speed Compatibility?



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Steve Turner

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Unable to find a definitive answer on the Shimano website, so I thought I'd try here.

- Are the 9-spd chainrings compatible with the 10 spd (7800) chain?
- Is the 9-spd front derailleur compatible with the 7800 chain and 7800 STI shifters?

Thanks, Steve
 
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Sheldon Brown

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Steve Turner wrote:

> Unable to find a definitive answer on the Shimano website, so I thought I'd try here.
>
> - Are the 9-spd chainrings compatible with the 10 spd (7800) chain?
> - Is the 9-spd front derailleur compatible with the 7800 chain and 7800 STI shifters?

I haven't tried yet, but I would be very, very, very surprised if there was any problem with this.

They said the same about 9-speed vs. 8-speed, and that was alarmist nonsense.

Sheldon "Wolf! Wolf!" Brown +--------------------------------------------------------+
| Education consists mainly in what we have unlearned. | --Mark Twain |
+--------------------------------------------------------+ Harris Cyclery, West Newton,
Massachusetts Phone 617-244-9772 FAX 617-244-1041 http://harriscyclery.com Hard-to-find parts
shipped Worldwide http://captainbike.com http://sheldonbrown.com
 
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Qui Si Parla Ca

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Steve-<< - Are the 9-spd chainrings compatible with the 10 spd (7800) chain?

->yes

- Is the 9-spd front derailleur compatible with the 7800 chain and 7800 STI shifters?

->yes again. The only thing ya can't do is put a 9s cogset onto shimano 10s freehubs...

Peter Chisholm Vecchio's Bicicletteria 1833 Pearl St. Boulder, CO, 80302
(303)440-3535 http://www.vecchios.com "Ruote convenzionali costruite eccezionalmente bene"
 
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