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                    Durable 7-speed ATB 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. 
                     
                    • Sprockets are cut away to reduce weight without reducing 
                    rigidity. 
                     
                    • Nickel-plated finish offers hard wearing resistance 
                    to corrosion. 
                     
                    • Corrosion-resistant steel cassette lockring. 
                     
                    • For 7-speed HG chains. 
                     
                   
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