Shimano Dura-Ace 10-Speed Cassette (CS-7900)

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Featuring four titanium cogs, the new Dura-Ace 7900 cogset has further improved shifting quality by creating a more rigid aluminum carrier unit along with a re-engineered tooth profile. Shimano also successfully reduced the weight of the rear wheel assembly by 10 grams.


  • Revised gear sprocket design
  • Precise & reliable shifting
  • 8 cassette combinations 
  • Rigid aluminum carrier 
  • Four titanium sprockets 
  • Weight: 163.2g (11-23T)
  • NOTE: CS-7900 11-27 and 11-28 require the use of RD-7900 or RD-6700