Shimano Dura-Ace R9100-P Power Meter Crankset

Inspired by the desire to improve, Shimano announces their first crank-integrated power meter, the R9100-P Crankset, to complement their flagship Dura-Ace groupset. In the pursuit of new creation, the Dura-Ace Power Meter delivers extremely precise power data to help you tune your training and racing for maximum results. The power measurement system has been seamlessly integrated within the new Dura-Ace Hollowtech II crankset for reliable performance, strength and versatility. Completely sealed, the dual-sided strain gauges calculate power measurement within +/-2% and are internally wired for accurate data acquisition and instantaneous response no matter the weather conditions. The R9100-P Power Meter uses a single rechargeable battery for easy maintenance and is Bluetooth and ANT+ enabled for dependable wireless communication. The Hollowtech II crankset features Shimano?s Rider Tuned gearing that offers a number of chainring configurations and a singular BCD (Bolt Circle Diameter) for ease of use and versatility. And the redesigned chainring tooth profile works with the latest disc brake frame designs without the need to increase Q-factor. Track and analyze every detail of your ride with the revolutionary Dura-Ace R9100-P Power Meter Crankset from Shimano. R9100-P Power Meter Crankset Features: Integrated design Reliable electric system Waterproof in all conditions Accurate data collection +/-2% accuracy of strain gage measured power Stable power measurement system at the various stepping positions Easy maintenance Integrated rechargeable battery Easily change chainrings without affecting power meter performance Wireless firmware update system Quick response and operation without stress Simple zero reset with switch on transmitter Direct response Both left and right side connectivity Bluetooth and ANT+ compatible Enhanced design saves 7g while maintaining rigidity Iconic 4-arm construction Optimized crank arm design strengthens key stress zones New chainring tooth profile is adapted for race bike specific disc brake systems Accommodates shorter chainstays (410mm) with 135mm OLD Hollowglide chainring construction Crank arm lengths: 170, 172.5 and 175mm Rider Tuned gear combinations (2x11): 50-34T, 52-36T, 53-39T Weight: 669g (50-34T), 691g (53-39T) Shipping weight: 3.0 lbs.
Shimano Dura-Ace R9100-P Power Meter Crankset
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Price: 1549.99