4iiii 4iiii PRECISION 3 Ride Ready Ultegra R8000 Power Meter Left Arm

4iiii PRECISION 3 Ride Ready Ultegra R8000 Power Meter Left Arm

Precision 3 Powermeter will be your trusted training tool for years to come.
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Please note that components are subject to change and may not be exactly as pictured.


How do you define success?

Whether you are fighting for a Kona slot, spending countless hours on the indoor trainer, or striving for a personal best; one thing we know, success takes time. With an industry-leading 800 hours battery life, +/-1% accuracy and backed by 4iiii’s legendary 3-year warranty the Precision 3 Powermeter will be your trusted training tool for years to come.

  • Industry leading battery with 800 hours of battery life
  • Product status indication LED light – for wake up (green), zero offset (blue) and low battery (red)
  • Patented 3D Strain Gauge technology to deliver +/- 1% accuracy
  • Ultra slim design to fit almost every frame
  • Legendary 3 Year Warranty
  • Waterproof, durable, designed and tested in the Canadian Rockies for the harshest conditions
  • Lightest power meter on the market at only 9g
  • Backwards compatible with current Precision Drive Side Powermeter
  • Active temperate compensation
  • Over the air feature and firmware upgradability
  • Coin cell powered, CR2032
  • Compatible with 3rd party training apps such as Zwift, TrainerRoad, SYSTM, and more
  • Accuracy: +/- 1%
  • Battery Type: CR2032 Coin Cell
  • Battery Life: 800 Hours
  • Waterproof Rating: Ipx7
  • Cadence Range: 30-170 RPM
  • Power Range: 0-4000  Watts
  • Length: 63.79mm
  • Width: 26.42mm
  • Height: 5.5mm
  • Weight: 9g
  • Operating Temperature: 0 to 50°C
  • Storage Temperature: -40 to 60°C
  • Communication Protocols: ANT+, Bluetooth®

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