4iiii Precision 3+ PRO DUAL cranks with wattmeter, Shimano Dura-Ace FC-R9200
4iiii Precision 3+ PRO DUAL cranks with wattmeter
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 - measurement reliability, long battery life and simple management via a smart application. Precision 3+ is compatible with all commonly used cycle computers supporting the ANT+ protocol (Garmin, Wahoo, Bryton, Lezyne,...).
Integrated accelerometer for measuring cadence (pace)
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Wireless firmware updates via Bluetooth Smart interface
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Compatible with ANT+ and Bluetooth 5.0 devices
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Innovative housing made of highly chemically resistant plastics (more resistant when washing)
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The lightest mass-produced wattmeter
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Simple battery replacement without tools
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Groupset | Shimano Dura-Ace |
Gears | Unspecified |
Crank length | 165 mm, 170 mm, 172.5 mm, 175 mm |
Accuracy | 99 % |
Weight | only 9 g on the left and 12 g on the right crank compared to the version without a wattmeter |
Battery | CR2032 - endurance up to 550 hours depending on the ambient temperature |
Range of measured power | 0-4000 W |
Range of measured cadence | 30-220 revs |
Temperature | 0 °C to +50 °C |
Water resistance | IPX7 |
product ID | 259123 |

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