4iiii Precision 3+ left crank with a wattmeter, Shimano GRX810
4iiii Precision 3+ left hand crank with wattmeter
The 4iiii Precision 3+ power meter is the result of the development and experience of the leader in the field of measuring watts on cranks. As the only cycling product on the market, it offers native integration with Apple Find 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 cycling computers supporting the ANT+ protocol (Garmin, Wahoo, Bryton, Lezyne,...).
The lightest mass-produced wattmeter
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Simple battery replacement without tools
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Integrated accelerometer for measuring cadence (pace)
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Wireless firmware updates via Bluetooth Smart interface
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Innovative housing made of highly chemically resistant plastics (more resistant when washing)
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Accuracy | 99 % |
Temperature range | 0 - 50 °C (accuracy guaranteed in this range) |
Performance range measurement | 0-4000 W |
Water resistance | IPX 7 |
Connectivity | ANT+ |
Dimensions | 63.79 x 26.42 x 5.5 mm |
Scope of term | 30-220 revs |
Weight | + 9 g on the left crank compared to the version without a wattmeter |
Battery | CR2032 (lifetime 500-800 hours) |
product ID | 234445 |
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