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                    High performance 10-speed Dyna-Sys cassette. 
                     
                    • 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. 
                     
                    • Six largest sprockets are mounted on lightweight alloy 
                    carriers to reduce weight and increase rigidity. 
                     
                    • Sprockets are cut away and drilled to further reduce 
                    weight without reducing rigidity. 
                     
                    • Chrome-plated finish offers hard wearing resistance 
                    to corrosion. 
                     
                    • Alloy cassette lockring. 
                     
                    • For 10-speed HG-X MTB chains. 
                     
                    • Weight: 323 g for 11 - 34T. 
                     
                  
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