The Shimano Dura-Ace FC-R9200 is the pinnacle of 12-speed road crankset engineering — developed directly from WorldTour feedback to deliver the optimal balance of stiffness, strength, weight, and rotational performance. The 54/40T chainring combination came at the request of professional teams who need a big gear for flat-out racing speeds without sacrificing a workable inner ring, making this an ideal choice for criteriums, flat road stages, and time trial builds.

Highlights

• HOLLOWTECH II construction: Hollow-forged aluminium crank arms paired with a 24mm spindle interface for class-leading stiffness at minimum weight.
• HOLLOWGLIDE chainrings: Hollowed structure cuts weight while maintaining the rigidity needed for fast, precise front shifting across all 12 cogs.
• 54/40T WorldTour gearing: Wide chainring spread designed for high-speed flat racing and time trialling — a combination requested by WorldTour teams for peak efficiency at race pace.
• Asymmetric 4-arm spider: 110mm asymmetric BCD design sheds grams without compromising torsional stiffness.
• 172.5mm crank arm length: A versatile road fit that suits a broad range of rider proportions.
• Di2 compatible: Fully integrated with the Shimano 12-speed Dura-Ace R9200 mechanical and Di2 groupset ecosystem.
• Black finish: Sleek gloss black anodised aluminium.

HOLLOWTECH II Technology

Shimano's HOLLOWTECH II system integrates the crank arms and spindle interface into a single hollow-forged unit. The outboard bearing design places the bearings wider apart for better load distribution, reducing flex under hard efforts and improving pedalling efficiency. Combined with the HOLLOWGLIDE chainring construction — which strategically removes material while preserving structural integrity — the FC-R9200 achieves a weight of just 714g (for the 54/40T / 172.5mm specification) without sacrificing the rigidity Dura-Ace is renowned for.

Drivetrain Performance

The HOLLOWGLIDE chainrings are engineered alongside Shimano's 12-speed chain and Dura-Ace front derailleurs to deliver fast, reliable front shifts with minimal noise and chain drop risk. The 54/40T combination provides an exceptionally wide spread between large and small rings — enough big gear for the highest racing speeds while still offering a usable inner ring for technical sections and climbs.

Compatibility & Fit

Designed for Shimano 12-speed road drivetrains. Compatible with Shimano Dura-Ace R9200 and Ultegra R8100 front derailleurs (mechanical and Di2). Chainring BCD: 110mm asymmetric (4-arm). Spindle interface: HOLLOWTECH II / 24mm. Chainline: 44.5mm. Q-factor: 148mm. Hub spacing: 130mm. Bottom bracket not included — compatible with Shimano 24mm bottom brackets including BB-R9100 (threaded, 68/70mm shell) and SM-BB92-41B (pressfit). Crank arm length: 172.5mm. Weight: 714g.