Shimano Dura-Ace 9100 Power Meter

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

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 switch on transmitter

Direct response

Both left and right side connected with cable

Bluetooth and ANT+

Crank arm length: 170, 172.5, 175mm (w/ chainrings) 165, 167.5, 170, 172.5, 175, 177.5, 180mm (w/o chainrings)

Gear combination: 50-34T, 52-36T, 53-39T

Power Meters HOLLOWTECH II Crankset (2x11-speed)