The additional speed led us to devising a new support structure for the last six sprockets in two subsets. The form of the teeth is new and they have been treated to increase duration over time. Eleven sprockets that are even more efficient despite the reduction of the thicknesses we have succeeded. The teeth have been designed to optimize the speed and fluidity of shifting. This form reduces stress on the chain which ascends more easily onto the higher diameter sprockets. The large pinions are divided into sets of three and are mounted on a new aluminium frame. Thanks to this, rigidity increases 180% and the individual sprockets are 70% more resistant to torsion. Campagnolo Chorus 11 Speed Cassette 2011; This cassette features: Size - 11 speed x 12-25 Teeth Steel with nickel-chromed finish Light alloy supports for the final two triplets 11s timing 11s tooth machining 11s light alloy lockring, thread 27x1 New design toothing. Weight is 236 grams
|Chorus Cassette Specification|
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The Italian bike component manufacturer Campagnolo is best known for it's range of groupsets and drivetrain related products. Founded in 1933 by road cyclist Tullio Campagnolo, based upon ideas he had for amongst others, wheels and derailleurs. In 1940 their first rear derailleur entered production, enabling the rider to change gears without removing their rear wheel. Although primarily a cycling company, Campag (as they are often abbreviated to) have also manufactured products for the sports auto industry for brands such as Alfa Romeo, Ferrari, Lamborghini and Maserati. Achievements in the cycling world include helping Eddy Merckx set the world hour record in 1972. As the years progressed, the number of gears increased, with 8 Speed (1991), 9 Speed (in 1997), 10 speed (in 2000) and now 11 speed in 2008. Notable riders to have won the Tour de France on Campag equipment include Eddy Merckx (5 times), Bernard Hinault (5 times), Greg LeMond (twice) and Miguel Indurain (5 times). In recent times Riis, Ullrich, Pantani, Pereiro and Nibali have won riding with Campagnolo.
For more information on their history, please visit their Wikipedia page, or you can see their current range of components here.