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Thanks to Ultra·Drive™ geometry which defines the forms and machining of the sprocket teeth and nickel-chrome finish, the Chorus™ sprocket set ensures fast precise shifting that remains constant over time.
Also available the 11-25 combination, which is ideal if combined with CT™-type cranksets.

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Campagnolo The official web site: In order to see this page you are kindly asked to download the latest Flash Player 8.
You can download it from Macromedia Website.

Campagnolo The official web site: In order to see this page you are kindly asked to download the latest Flash Player 8.
You can download it from Macromedia Website.

11-23, 11-25, 12-25, 13-26, 13-29

220 g

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Ultra·Drive™ - nickel-chromed finish - light alloy carrier - supplied without lockring (except for 11-23 and 11-25)

Campagnolo The official web site: In order to see this page you are kindly asked to download the latest Flash Player 8. You can download it from Macromedia Website.		Campagnolo The official web site: In order to see this page you are kindly asked to download the latest Flash Player 8. You can download it from Macromedia Website.
aluminium carrier for the largest sprockets		precision, rigidity and weight savings
sprocket synchronization		fast precise shifting, less stress for the chain
Ultra-Drive™ machining of the teeth		chain passage optimization
nickel-chrome surface treatments		longer life, lower wear

* The nominal weight refers to the lighter specification among the available options. The weight of the hubs does not includes the quick-release.
The nominal weight does not take account of the sometimes considerable quantities of grease used in the assembly of the products.