4iiii Precision 3+ Ultegra R8100 Left Arm Power Meter

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.