Shimano FC-R9200 Dura Ace 12-Speed Double Outer Chainring

The Shimano FC-R9200 Dura-Ace 12-Speed Double Outer Chainring is a precise and efficient upgrade built to restore peak drivetrain performance. Its standout HOLLOWGLIDE hollow outer chainring design boosts rigidity and cuts weight, while improving shift control under load. Each size works with 12-speed systems to support clean power transfer and long-term reliability.

Key Features and Benefits:

• HOLLOWGLIDE hollow outer chainring construction: This hollow plate structure increases torsional rigidity across the ring, reducing flex during hard efforts. This benefit keeps the chainring stable under load, resulting in faster and more accurate shifts in all conditions.
• Teeth engineered for HG 12-speed chains: The tooth shape is built for full engagement with Shimano HG 12-speed chains, improving chain contact across each rotation. This benefit produces smoother drivetrain motion, and the outcome is more efficient power transfer with less friction.
• Optimised outer ring profile for shift consistency: The profile supports the chain as it moves up and down the rings, improving chain pick-up and release. This benefit sharpens front shifting response, leading to more dependable performance during high torque changes.
• Genuine Shimano fitment for FC-R9200 and FC-R9200-P cranksets: Each ring matches its designated crank for accurate alignment and stiffness. This benefit ensures a secure interface, resulting in stable power delivery and a longer component lifespan.
• 110mm, 4-arm BCD system compatibility: This bolt pattern standard offers a firm, even load distribution across the crank spider. This benefit reduces stress on mounting points, giving a more rigid and reliable drivetrain setup.
• Range of tooth counts for precise gearing setup: Sizes from 46T to 54T allow riders to pair the ideal outer ring with the correct inner ring. This benefit tailors cadence and gearing steps, resulting in consistent efficiency across varied terrain. 
• Compatibility:  50T For 50/34T & 52T For 52/36T.

This chainring supports riders who need stable front shifting and efficient power transfer under high load. Its hollow outer construction, chain-specific tooth shaping, and exact crank fitment work together to maintain drivetrain stiffness and accuracy. These features help reduce wasted energy and keep the system running to a high mechanical standard.

Choose the FC-R9200 outer chainring to keep your drivetrain performing as intended. Its precise fit, strong structure, and 12-speed-specific design make it a reliable upgrade that restores performance and protects long-term drivetrain function.

Specification:

• Speed: 12 Speed
• Discipline: Road
• Discipline: Time Trial & Triathlon
• Colour: Black
• Size: 50 teeth
• Bolt Circle Diameter: 110mm
• Chainring Fitting: 4 Arms