Shimano Dura Ace 2×11-speed Crank FC-R9100 50/34

Most advanced component group of all time: The Shimano Dura Ace 2×11-speed Crank FC-R9100

Shimano’s Rider Tuned gearing offers a number of chainring configurations with a singular BCD for ease of use and versatility. Through redesigned chainring tooth profiling, the DURA-ACE R9100 crankset is adapted for the latest disc brake frame designs without the need to increase q-factor. Enhanced design saves 7g while maintaining rigidity and iconic 4-arm construction Optimized crank arm design strengthens key stress zones.
With the introduction of DURA-ACE R9100, Shimano has reestablished the new benchmark for road performance by improving each component and incorporating its newest digital technologies. DURA-ACE R9100 delivers unparalleled performance, highly-refined ergonomics and immense customization to maximize every rider’s potential.

Engineered for the next generation of race bike, DURA-ACE R9100 offers top-tier performance across numerous configurations. Available with either Di2 electronic or mechanical shifting, for the first time, riders now have the option of premium DURA-ACE hydraulic disc brake performance. New Shimano technologies further integrate the DURA-ACE as a system, including a new power meter, while riders further integrate with their bike through new E-Tube wireless connectivity. Shimano’s Rider Tuned philosophy and customization of the bicycle’s function also expands with a wider range drivetrain that now includes intuitive Shimano Synchro Shift control.

Product features

• • Use: Road

• • Group:  Dura Ace

• • Model: FC-R9100

• • Gradation: 50-34T

• • Crank Arm Length: (Various)

• • Q-Factor: 146mm

• • Threaded BB shell width: 68 / 70mm

• • Gear front: 2-speed

• • Gear rear: 11-speed

• • Construction: Hollowtech II

• • Compatible Chain: HG-EV 11-speed, HG-X 11-speed

• • PCD: 110mm

• • Chain line: 43.5mm

Material

• • Crank arm: Aluminum Anodized

• • Crank axle: Steel Plated

• • Large Chainring: Aluminum Anodized / CFRP

• • Small Chainring: Aluminum Anodized

Weight

• • 621g (manufacturer information)