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

Description

Shimano
Dura Ace 2×11-speed Crank FC-R9100 50/34
The FC-R9100 HOLLOWTECH II crank shaping improves upon DURA-ACE?s iconic 4-arm design, adding strength and rigidity while minimizing weight.
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:?(Choose variant!) 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 609g?(manufacturer information) Scope of delivery 1 Dura Ace 2×11-speed Crank FC-R9100 50/34 Bottom Bracket BB-R9100 / Pressfit SM-BB92-41B not included!
Technologies HOLLOWGLIDE – Hollow technology on outer chainring? High rigidity hollow structure cuts down on weight yet maintains strength. Better power transfer and quicker and more precise front shifting.
HOLLOWTECH II – Providing the best balance of stiffness, strength, weight and rotating performance The concept of HOLLOWTECH II technology is focused on producing a superior crankset which will maximize a rider?s power transfer. The rigidity of the crankset ensures pedaling efficiency while its weight, a key element of the crankset, you want light, aids in cycling longer distances over which the rider needs to pedal more. Naturally, SHIMANO strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank. HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company?s own proprietary forging technology that also maintains rigidity. The addition of HOLLOWTECH II technology integrates the bottom bracket axle with the right crankarm for more stiffness and a weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedaling stability, allowing for more efficient power transfer. Shimano DURA-ACE R9100 (Di2)
UPC: 689228741720
UPC: 689228741485
UPC: 689228741539

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