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  • CS-6700 Ultegra 10-speed cassette 11 - 25T
    Lightweight 10-speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes Hyperglide sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear Wide gear ra..
  • CS-HG500 10-speed cassette 11 - 32T
    High quality 10-speed cassette Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Sprockets are cut away and drilled to reduce weight without reducing rigidity Nickel-plated finish offers hard wearing resist..