Shimano
SHIMANO DURA-ACE CHAINRING SET FC-R9200 / 54-40 TEETH / 2X12-SPEED / NJ-TYPE
SHIMANO DURA-ACE CHAINRING SET FC-R9200 / 54-40 TEETH / 2X12-SPEED / NJ-TYPE
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ORIGINAL SHIMANO DURA-ACE FC-R9200 CHAINRING SET (54/40 TEETH) – THE ULTIMATE MAXIMUM SPEED FOR 2X12-SPEED DRIVETRAINS
The Shimano Dura-Ace FC-R9200 chainring set in the race-proven gear combination of **54-40 teeth** (NJ-type) is the absolute top-tier for time trialists, triathletes, and speed-hungry crit racers. This perfectly matched double chainring set was developed through a system engineering process specifically for the Dura-Ace R9200 12-speed groupset. Thanks to the ingenious shifting ramps and tooth profiles, the set guarantees extremely fast, crisp, and precise shifts under maximum load during the final sprint. The large 54-tooth chainring allows for maximum top speed on flat terrain, while the perfectly harmonizing 40-tooth sprocket smoothly engages the chain.
The chainrings utilize an aerodynamically optimized **4-bolt design** with an asymmetrical 110 mm bolt circle diameter (BCD). Made from a highly developed composite material of hollow-forged aluminum (Hollowglide technology) on the large chainring, phenomenal stiffness is achieved with minimal weight. This minimizes torsion during shifting and maximizes your power transfer directly into forward motion. The chainrings are perfectly optimized for Shimano HG 12-speed chains.
Product Details & Features
• Pro-Race Gearing (54/40T): The ultimate professional gearing for maximum power transfer and high speed
• Hollowglide Technology: Hollow construction for extreme torsional stiffness with minimal self-weight
• Asymmetrical 4-Bolt Design: Perfect power distribution, suitable for Dura-Ace FC-R9200 and FC-R9200-P cranks
• 12-Speed Shifting Precision: Special tooth geometry for whisper-quiet and lightning-fast chain transitions
• NJ Compatibility: Highest performance thanks to precisely matched inner and outer chainrings
Data & Identification
• Brand: Shimano | Group: Dura-Ace R9200 | Type: 4-Bolt (Asymmetrical) | Speeds: 2x12-speed
• Large Chainring (54T): MPN: Y0MZ98030 | EAN: 4550170167967
• Small Chainring (40T): MPN: Y0MZ40000 | EAN: 4550170167936
Scope of Delivery
1x Shimano Dura-Ace FC-R9200 Chainring 54 Teeth (NJ), 1x Shimano Dura-Ace FC-R9200 Chainring 40 Teeth (NJ).
Conclusion
The Shimano Dura-Ace FC-R9200 54/40T chainring set is the perfect upgrade for your 12-speed high-end setup. Maximum stiffness, brutal propulsion, and uncompromising shifting performance.
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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