4iiii Precision 3+ R9200 Dura Ace Left Power Meter Trusted Precision, innovative design. The 4iiii Precision 3+ Power Meter is engineered to raise the bar on existing expectations for single-sided power meters. This next-generation power meter has a measurement accuracy of +/- 1%, a long battery life, and long-term durability to help you get the most from your rides. The Precision 3+ now also includes compatibility with Apple Find My, keeping you in touch with the location of your bike at all times. The Precision 3+ power meter is the only single-sided power meter to use 3 strain gauges, allowing it to measure all power output forces (between 0-4, 000 watts), and offer more accurate readings than many power meters on the market. The Precision 3+ adds only 9 grams to the weight of the factory crankarm, features an IPx7 waterproof rating, and is backed by a 3-year manufacturer warranty for precision you can count on. Features New Precision 3+ includes an Apple Find My compatible sensor built into the power meter, letting you locate your bike using your favorite compatible Apple device Adds only 9 grams to the weight of the original factory crankarm3 strain gauges for 3D accuracy to precisely measure all power output forces+/- 1% accuracy since more accurate data means more accurate training Factory installed into a Shimano R9200 Dura Ace crankarm for power measurements without needing to switch from your preferred crankset IPx7 waterproof rating for reliable power measurement in any condition Dependable wireless connectivity using ANT+ or Bluetooth connections to your favorite cycling computer or device Specifications Accuracy+/- 1%Weight Adds 9g to the weight of crankarm Battery Life Up To 800 Hours Battery Type CR2032 Coin Cell Power Measurement Range (Watts)0-4, 000Cadence Range (RPM)30 - 170Water Resistance Rating IPx7Wireless Connection Protocols ANT+, Bluetooth | 4Iiii | Precision 3+ R9200 Dura Ace Left Power Meter 165Mm
