4iiii Shimano Dura-Ace R9200 Precision 3+ left crank with power meter
The 4iiii Precision 3+ power meter is the result of the development and experience of the leader in crank wattage measurement. As the only cycling product on the market, it offers native integration with Apple Findy My technology.
Precision 3+ can offer you everything you expect from a modern power meter - reliable measurement, long battery life, easy management via a smart app and, last but not least, a 3-year warranty with a replacement program for a new wattmeter in the event of a failure during the warranty period! Precision 3+ is compatible with all commonly used cycling computers supporting the ANT+ protocol (Garmin, Wahoo, Bryton, Lezyne,...).
Technical specification:
- Accuracy: 99%
- Weight: only 9 g on the left crank (the lightest mass-produced wattmeter)
- Battery life (CR2032): up to 500-800 hours depending on ambient temperature (easy battery replacement without tools)
- Integrated accelerometer for measuring cadence (pace)
- Wireless firmware updates via Bluetooth Smart interface
- Range of measured power: 0-4000 W
- Range of measured cadence: 30-220 revolutions
- Temperature with guaranteed accuracy: 0°C to +50°C
- Storage temperature: -40 °C to +60 °C
- Water resistance corresponding to the IPx7 standard
- Compatible with ANT+ and Bluetooth 5.0 devices
- Compact dimensions 63.79 x 26.42 x 5.5 mm
- Innovative housing made of highly chemically resistant plastics (more resistant when washing)
product ID | 331660 |

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