4iiii Dura-Ace R9200 Precision 3+ Pro Dual-Sided Powermeter Prepare to enhance your cycling experience with the new PRECISION 3+ PRO Powermeter featuring Apple Find My integration. Offering the same dependable and highly precise power metrics you've grown accustomed to from 4iiii, while enjoying the assurance of knowing the whereabouts of your bicycle. With advanced measurements including left/right balance, pedal smoothness, and torque effectiveness, the PRECISION 3+ PRO Powermeter furnishes the essential data for both training and competitive riding. Boasting up to 550 hours of battery life, an automatic terrain selector, +/-1% accuracy, and supported by our industry-leading 3-year warranty, the PRECISION 3+ PRO Powermeter will serve as your trusted companion for years to come. Technology Apple Find My: Providing the reassurance of knowing the whereabouts of your power meter. Battery Life: With a battery life of up to 550 hours, you won’t need to concern yourself with changing the battery for years to come. Accuracy in 3D: Not everyone possesses the perfect pedal stroke. With an accuracy of+/- 1%, 4iiii is the only crank-based power meter utilising 3 strain gauges to measure all forces in your pedal stroke. Automatic Terrain Selector: Detects the terrain you’re riding on for more responsive cadence and power feedback/data. Ride confidently on less travelled roads. Cycling Metrics: Receive additional data such as pedal smoothness and torque effectiveness to analyse and optimise your pedal stroke. Left Right Balance: A dual power meter measures the power from each individual leg to calculate your total power output. Lightweight: 4iiii produces the lightest power meter on the market. We are committed to helping you achieve greater speed, one gram at a time. Ultra Low Profile: With an ultra-low profile design, your 4iiii power meter is compatible with more bike frames than ever before. Waterproof: Designed to function in demanding environments. With an IPX7 waterproof rating, you can be confident that your power meter can withstand the toughest conditions. 3-Year Warranty: A lot can occur in 3 years. While you probably won’t need it, it’s reassuring to know that all 4iiii power meters are supported by an industry-leading 3-year warranty.