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Shimano 105 CS-5800 11 Speed Cassette

A high performance HG-EV 11-speed road cassette. The Hyperglide EV 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. The largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity. Sprockets are cut away and drilled to further reduce weight without reducing rigidity.

  • Nickel-plated finish offers hard wearing resistance to corrosion
  • Pearl-bright steel cassette lockring
  • For Super Narrow 11-speed HG-X chains