4iiii Precision 3+ Dura-Ace R9200 Left Arm Power Meter PML300-S19C00X

4iii PRECISION 3+ Dura-Ace R9200 Left Arm Power Meter 4iii's most powerful unit to date, the PRECISION 3+ Dura-Ace R9200 Left Arm Power Meter has been compressed into a more compact, lighter-weight package, and features support for Apple Find My. Providing accurate and reliable data, this power meter boasts up to 800 hours of battery life, an automatic terrain detector, and +/-1% accuracy.  Whether logging base miles in or outdoors, or enduring an FTP test, the PRECISION 3+ Dura-Ace R9200 Left Arm Power Meter is a reliable tool for unlocking your potential.   The PRECISION 3+ Power Meter is your training partner that offers peace of mind. Whilst riding, it transmits watts, cadence, and calories to your head unit of choice. Easily locate the Power Meter while not in use thanks to Apple Find My, which enables you to see its location on a map. You can add your power meter to the Find My app and locate it on an iPhone, iPad, Mac or using the Find Items app on an Apple Watch.    Once your ride-ready PRECISION 3+ Powermeter arrives, it just needs to be installed on your bike using the standard Shimano crank installation process. Connect a head unit or computer, and you can start riding with power. Connect to the Find My app with your iPhone or iPad to start tracking your power meter.