Shimano Dura-Ace FC-R9100 Pro-Grade 170mm Crank Arms

Shimano Dura-Ace FC-R9100 Crankset – Precision Performance for Road Cycling

Engineered for elite road cyclists and competitive riders, the Shimano Dura-Ace FC-R9100 Crankset delivers unmatched power transfer and efficiency. Featuring a 50/34T chainring combination, this double crankset is optimized for climbing and high-speed sprints, making it ideal for road racing, endurance rides, and fast-paced group training.

Key Features & Benefits

• Hollowtech II Spindle Design: Lightweight yet ultra-stiff for maximum energy efficiency and reduced weight.
• 110mm Asymmetric BCD: Ensures precise chain alignment and smooth shifting across all 11-speed drivetrains.
• Compatibility: Works seamlessly with 130mm road hubs and 135/142mm disc brake setups (chainstay ≤415mm).
• Black Anodized Finish: Sleek, durable aesthetics that resist wear and corrosion.
• 170mm Crank Arm Length: Balanced leverage for efficient pedaling dynamics.

Why Choose Dura-Ace?

Compared to mid-tier cranksets, the FC-R9100 offers superior stiffness-to-weight ratio, reducing flex during hard efforts. Its Shimano-exclusive asymmetric bolt pattern enhances shifting precision under load—perfect for aggressive riders who demand reliability.

Ideal For:
– Competitive road racers
– Cyclists prioritizing weight savings
– Riders using 11-speed Shimano groupsets

Note: Bottom bracket sold separately. Upgrade your ride with the pinnacle of Shimano’s road crankset technology.