Cheap Shimano DURA ACE FC-R9100-P 11-speed Crank Arms with Power Meter

With Shimano鈥檚 first integrated power meter you can expect extremely accurate real time power data to track and analyze your performance.

Most advanced component group of all time: Shimano Dura Ace FC-R9100-P 2×11-speed Crank Arms with Power Meter

The power meter allows integration and easy installation (pairing) with third party display units to enable the most sophisticated and accurate level of performance measurement and anatomic analysis available today. Not only can the pure output of watts be measured, left and right legs can be measured separately, as well as cadence, giving you the truest measure of performance, isolated from external factors such as gradient, road surface and wind.
The FC-R9100-P is Shimano’s first pedaling power measurement product and also the first crank-integrated power meter on the market. It is built to provide riders with one of the most accurate systems of power measurement, utilizing technology from bikefitting, a Shimano-owned company specializing in highly advanced bike fitting and bike measuring instruments.
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.