Campagnolo Chorus 11-Speed Cassette

Every sprocket tooth has been designed to achieve the maximum synchronization, shifting speed, and silent operation. The six larger sprockets have a double frame system for extreme torsional stiffness, so that operating precision is maintained even during shifting under stress. The surface treatment of the eleven steel sprockets assures longer component life, maintaining the maximum performance through time. Specification 11-Speed only ULTRA-SHIFT TEETH DESIGN: every sprocket tooth is designed and placed to perform a specific function, such as raising or lowering the chain or giving maximum power transmission to the wheel NICKEL-CHROME SURFACE TREATMENT: reduces chain/sprocket friction - extends sprocket life Size: 11-23T, 11-25T, 11-27T, 11-29T, 12-25T, 12-27T, 12-29T