4iiii Precision 3+ Ultegra R8100 Left Arm Power Meter PML300-S18A00X

4iii PRECISION 3+ Ultegra R8100 Left Arm Power Meter The PRECISION 3+ Dura-Ace R9200 Left Arm Power Meter is compact and ultralight, weighing in at 9 grams, and 4iii's most powerful unit so far. It features support for Apple Find My, offers +/-1% accuracy, utilises an automated terrain detector, and will send accurate data to your choice of bike computer with up to 800 hours of battery life.  The PRECISION 3+ Dura-Ace R9200 Left Arm Power Meter is a dependable tool for realising your potential, sending watts, cadence, and calories to your preferred head unit while you're riding. Use Apple Find My to check the power meter's location on a map when it's not in use: it can be added to the Find My app so that you can find it on an iPhone, iPad, Mac, or with the Apple Watch's Find Items app. This power meter is ride-ready and easily fitted usng the regular Shimano crank installation process. Simply connect to a head unit and begin riding with power.