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If you need to replace the Shimano Sora chainrings on your bike because your drivetrain is worn out or because you want to change gears, this internal chainring will be the first piece of the puzzle. It promises efficiency and durability.
- Shimano reference: Y1NC30000
- Internal chainring for a 3x9-speed drivetrain
- Teeth: 30T
- 5 holes
- PCD: 130/74mm
30T teeth, 3x9 speed inner chainring
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