The Shimano Dura-Ace CS-9000 11-Speed 12–25T Cassette delivers close-ratio gearing for road riders who value precise cadence control and low weight.

Key Features:
  • 11-speed cassette with a 12–25T gear range for closely spaced ratios.
  • Weighs as little as 166 g, according to Shimano’s specification.
  • Largest five sprockets use titanium to reduce weight.
  • Smaller six sprockets use steel for strength and durability.
  • Aluminum and carbon carriers help reduce weight and increase rigidity.
  • Designed for crisp shifting with compatible Shimano 11-speed drivetrains.

Who is it for?
Road cyclists seeking lightweight, close-ratio gearing for racing, fast group rides, and precise cadence management.
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