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DURA-ACE CS-R9100 - 11 speeds - HG-EV - Road sprocket cassette
With its carbon fiber and alloy spider and five titanium sprockets, the R9100 DURA-ACE cassette provides the most demanding road cyclists on the planet with a precise and light change.
Features:
- CFRP and alloy spider arm, 5 titanium sprockets
- Light weight
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