| Shimano Dura-Ace R9100-P Power Meter Crankset / without Chainrings |
 Inspired by the desire to improve, Shimano announces their first crank-integrated power meter, the R9100-P Crankset without Chainrings, 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 hard 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 a singular BCD (Bolt Circle Diameter) for ease of use and is compatible with a wide range of chainrings (sold separately) for a Shimano Rider Tuned gearing configuration that is tailored to your needs. 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 Accommodates shorter chainstays (410mm) with 135mm OLD Hollowglide chainring construction Crank arm lengths: 165, 167.5, 170, 172.5, 175, 177.5 and 180mm Compatible gear combinations (2x11): 50-34T, 52-36T, 53-39T (chainrings sold separately) Shipping weight: 4.0 lbs. Price: 1349.99 |