Code: CS9000
Shimano Dura Ace 9000 11 Speed Cassette, Choice of Ratios.
  • HG-EV 11-speed cassette sprocket
  • Rider tuned gearing options with 11-Speed
  • Wider gear combination: 11-23T/11-28T/12-28T
  • Closer gear combination: 11-25T/12-25T
  • Lighter than CS-7900 10-speed sprocket (11-25T)
  • Weight: 166g (11-23T)
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Most probably the smoothest cassette I've ever run and light too
Light and crisp shifts.
About 250mi on the cassette and so far I'm happy with it. When combined with the 9070 Di2 Groupset and Dura Ace 9000 11-speed chain, shifting is precise, crisp and fairly quiet.
Ultra smooth and accurate, very lightweight, great piece of engineering
Quiet and light!
Just what the doctor ordered for those long hilly sportives! Fantastic gear range without any major weight penalty. Shifting is faultless. Will last forever so well worth the money!
Expensive but you get what you pay for! I prefer this to the 11-28 version because you get a better spread of sprockets through 12-17 without any gaps and I would only rarely use the 11 sprocket (down hill with a following wind!)
Just gone 11 speed and these cassettes are brilliant-great spread of ratios (11-28) without any jumps and weigh next to nothing. Oh and some of the cogs are titanium which is sick!