Pinion unit for the Shimano Dura Ace CS-R9100 and CS-9000 11-speed cassette* with a gradation of 11-25 teeth. The individual sprockets with 23 and 25 teeth are made of titanium.
Scope of delivery
- Pinion unit with 23 – 25 teeth.
* Material, finish, appearance, etc. of the pinion unit may differ from the original CS-9000 11-speed cassette.







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