Cassettes are the back wheel sprockets that enable you to change gears. Shift up or down sprockets to make riding hills easier or speed up when the road eases. More sprockets or gears offer better shifting and less need to pedal quickly.
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Cassettes are the back wheel sprockets that enable you to change gears. Shift up or down sprockets to make riding hills easier or speed up when the road eases. More sprockets or gears offer better shifting and less need to pedal quickly.