Campagnolo Chorus Cassette 11 Speed

Campagnolo Chorus 11 speed cassette in a choice of ratios.
Every sprocket tooth has been designed to achieve the maximum synchronization, shifting speed, and silent operation.
Steel - nickel-chromed finish - light alloy supports for the final two triplets - 11s timing - 11s tooth machining - 11s light alloy lockring, thread 27x1
Ultra-Shif teeth design
Optimized up shifting
Nickel-Chrome surface treatment
Reduces chain/sprocket friction - extends sprocket life
Support frame for 2nd and 3rd sprocket triplet
Increases the torsional stiffness of the sprocket set - silent, fast, precise shifting
Ultra-Shift sprocket synchronization
Sprocket positioning is carefully designed to make shifting faster and more precise