Shimano Dura-Ace CS-9000 Bicycle Cassette - 11 Speed Small Ratio Grey 11-25T

Dura-Ace moves to the next generation. Tested in competition and taken to victory by pro riders in all conditions, including the 2012 Tour de France Team Sky. Cutting edge technology for the ultimate in control and confidence. Rider-tuned means Dura-Ace works the way you want it. The new 11-speed cassettes are available in a range of sizes including a wide-range 11-28 option - one cassette to use all year round. Smooth, fast shifting guaranteed. Key Features: Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. Close ratio gearing allows a more efficient use of energy through finer cadence control. Largest sprockets are mounted on a lightweight carbon carrier to reduce weight and increase rigidity. 16T and larger sprockets are made from titanium to reduce weight without sacrificing strength. Sprockets are extensively cut away and drilled to further reduce weight without reducing rigidity. Nickel-plated finish offers hard wearing resistance to corrosion. Alloy cassette lock ring. For Super Narrow 11-speed HG chains. For more information on how to keep your bike running smoothly, click here to see PBK's expert advice on taking care of your chains and cassettes.

Referencia UPC/EAN/ISBN 4524667402442

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