Pinion unit for the Shimano XTR CS-M9001 and CS-M9000 11-speed MTB cassette with a gradation of 11-40 teeth. The individual pinions with 17 and 19 teeth are made of steel (17T) and titanium (19T).
Scope of delivery
- Y1PU98020 pinion unit with 17 – 19 teeth





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