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4iii Shimano Ultegra R8000 Precision 3D GEN3 wattmeter

472.53 €

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4iiii Shimano Ultegra R8000 Precision 3D GEN 3 wattmeter

4iii has the development and experience of the leader in the field of measuring watts on cranks. It is suitable for road cyclists who use a Shimano Ultegra set and want to enjoy the benefits of power measurement without limitations.

Compared to the previous generation, it brings several improvements - a more compact, only 5.5 mm high body, designed for the vast majority of frames on the market, up to 8x higher CR2032 battery capacity, a stronger transmitting antenna for less interference, a larger measurement range, etc. This package includes a left crank with a wattmeter installed, all ready to go.

Product features

99% accuracy
The lightest mass-produced wattmeter
Integrated accelerometer for measuring cadence (pace)
Wireless firmware updates via Bluetooth
Compatible with ANT+ and Bluetooth 5.0 devices

Product details

Weight only 9g on left crank
Battery life coin battery CR2032 - up to 800 hours depending on the ambient temperature (easy battery replacement without tools)
Range of measured power 0-4000 W
Range of measured cadence 30-220 revs
Recommended operating temperature 0 to 50 °C
Storage temperature -40 °C to 60 °C
Water resistance IPX7
Compatibility Bluetooth, ANT+
Dimensions 63.79 mm x 26.42 mm x 5.5 mm
product ID 165824

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Bicycle wattmeters / power meters from 4iiii
This Canadian brand is primarily known for its powermeters that could be seen on the World Tour. Their offer also includes heart rate sensors and a smart bike hometrainer. Their prices are reasonable. By the way, you are supposed to read their name as "Four Eyes".

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