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4iiii Shimano DuraAce R9100 Precision 3D GEN3

599 €
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The new 3rd generation 4iiii Precision wattmeter is the result of the development and experience of a leader in the field of crank watt measurement. It is suitable for travelers who use the Shimano DuraAce 9100 kit and want to enjoy the benefits of performance measurement without restrictions.

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 capacity CR2032 battery, stronger transmitting antenna for less interference, larger measurement range, etc. This package contains a left crank with a wattmeter installed, everything is ready for immediate use.

  • Accuracy: 99%
  • Weight: only 9gr on the left crank (the lightest mass-produced wattmeter)
  • Battery life (CR2032): up to 800 hours depending on ambient temperature (easy battery-free battery change)
  • Integrated accelerometer for measuring cadence (tempo)
  • Wireless firmware updates via Bluetooth
  • Measured power range: 0-4000 W
  • Measured cadence range: 30-220 revolutions
  • Temperature with guaranteed accuracy: 0 to +50 ° C
  • Storage temperature: -40 ° C to +60 ° C
  • Water resistance according to the IPx7 standard
  • Compatible with ANT + and Bluetooth 5.0 devices
  • Compact dimensions 63.79 x 26.42 x 5.5 mm
Category: Ride Ready wattmeter
Product details
product ID 165827
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Bicycle power meters from 4iiii
Canadian brand known mainly for power meters that have already appeared in the World Tour. Their offer also includes heart rate sensors or a smart trainer. 4iiii is known for its favourable pricing policy. By the way, the brand name is pronounced as "Four Eyes".
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