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The 11-25 sprocket set springs from the demand from professionals for a broader set of ratios, suitable for steeper climbs but also for faster descents, but it also stems from the demand from amateurs who along with compact cranks wanted ratios which would make it possible to push in descent without giving up the agility in ascent offered by the 25-tooth sprocket, as well as 34 or 36 ones.

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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.

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

259 g

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You can download it from Macromedia Website.

Ultra·Drive™ - single sprockets - galvanized - supplied without lockring (except for 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.
sprocket synchronization		fast precise shifting, less stress for the chain
Ultra-Drive™ machining of the teeth		chain passage optimization
galvanized		rust-proof

* 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.