SHIMANO Dura-Ace FC-R9100-P PowerMeter Crank Arms 11-Speed

SHIMANO Dura-Ace FC-R9100-P PowerMeter Crank Arms 11-Speed

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Price: $1,414.99
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Shimano Dura-Ace FC-R9100-P Power Meter Crank Arms 11-Speed
The FC-R9100-P is Shimano's first pedaling power measurement product and the first crank-integrated power meter on the market. It is built to provide riders with one of the most accurate power measurement systems, utilizing technology from, a Shimano-owned company specializing in highly advanced bike fitting and bike measuring instruments.

Intended Use: Road, Triathlon
Group: Dura-Ace
Model: FC-R9100-P
Speeds: 2x11
Construction: Hollowtech II
Compatible Chain: HG-EV 11-speed, HG-X 11-speed
Threaded BB shell width: 68 / 70mm (not included)
BCD: 110mm
Q-Factor: 146mm
Chain line: 43.5mm

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
Battery charged for less trouble
Easily change chainrings without affecting power meter performance
Wireless firmware update system
Quick response and operation without stress
Possible to start quickly
Simple zero reset with a switch on the transmitter
Direct response
Both left and right sides are connected with cable Bluetooth and ANT+

Battery: Rechargeable
Charge Time: 2.5h
Battery Life: at least 300h
Measured Values: Cadence, power, right-left-balance, pedal stroke uniformity, torque
Measurement Technology: Strain gauge
Power Measurement Accuracy: +/- 2%
Protocol: ANT+, Bluetooth LE

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.