Shimano
Shimano Ultegra FC-R8100 Chainring 34T 110mm BCD 12-speed
Shimano Ultegra FC-R8100 Chainring 34T 110mm BCD 12-speed
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SHIMANO ULTEGRA FC-R8100 CHAINRING (34 TEETH | NK | BCD 110 MM | 4-ARM | 12-SPEED)
The original Shimano Ultegra FC-R8100 chainring offers maximum shifting precision and optimal durability for modern 12-speed drivetrain systems. Crafted from lightweight and torsion-resistant aluminum, it ensures lightning-fast, smooth gear shifts under load and efficient power transmission.
This small chainring features **34 teeth** (type designation NK) and is perfectly matched to the large 50-tooth chainring of the Ultegra R8100 series (50-34T compact gearing). It features the asymmetric **4-bolt bolt circle diameter of 110 mm** and is precision-engineered for the Shimano Ultegra FC-R8100 and FC-R8100-P power meter cranksets.
Features & Specifications
• Brand / Group: Shimano Ultegra / R8100 series
• Shifting speeds: 2x12-speed road bike drivetrains
• Tooth count & type: 34 teeth (Code: NK)
• BCD & mounting: 110 mm BCD / bolt circle | Asymmetric 4-arm standard
• Material: High-quality aluminum
• Compatibility: Shimano Ultegra cranks (FC-R8100 & FC-R8100-P power meter)
• Combination: Optimally matched for 50-34T gearing
• Design: 1x chainring (small, 34T)
• MPN / EAN: Y0NG34000 | 4550170168025
Scope of delivery
1x Shimano Ultegra FC-R8100 chainring 34 teeth (NK) / BCD 110 mm.
Conclusion
Original Shimano replacement chainring of the Ultegra 12-speed class: FC-R8100 with 34 teeth, 110 mm BCD, and perfect shifting performance for compact gear ratios.
Product Information & Conditions
GPSR Information
Manufacturer
Shimano Europe B.V.
High Tech Campus 92
5656 AG Eindhoven
Niederlande
Email: privacy@shimano-eu.com
Note: All product information and technical data are compiled with the utmost care. Nevertheless, errors, discrepancies, or changes cannot be ruled out. Manufacturers reserve the right to change specifications, features, and weights without prior notice. Subject to change without notice.
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