Shimano Ultegra FC-R8100 12-Speed Chainring – 34T-NK – Y0NG34000

Genuine Shimano replacement inner chainring for the Ultegra FC-R8100 12-speed crankset in the compact 50/34T combination. Precision-engineered for fast, smooth front shifting and optimal performance in road and endurance riding.

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✅ Key Features:

• Model: FC-R8100

• Teeth: 34T (inner chainring)

• Speed: 12-speed road drivetrains

• Bolt Pattern: Direct-mount NK-type for 50-34 combo

• Compatibility: Matches with 50T outer ring (Y0NG98030)

• Genuine Shimano part number: Y0NG34000

• Use: Road, endurance, and performance riding

• Material: Lightweight, durable alloy construction

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🛠️ Ideal for replacing a worn chainring or setting up a fresh compact gearing combo on your Ultegra R8100 crankset.

📬 Ships fast from Australia. Combine with matching outer rings, chains, or cassettes to save on postage!