4iiii 105 5800 Single Sided Power Meter


Ask a Question

Shimano 105 5800 4iiii Precision Left Sided Power Meter Arm

Whether you’re a pro or simply training hard, the 4iiii Precision left side power meter delivers industry-leading accuracy, highly dependable cadence data, 3D power meter technology capable of measuring tri-axial strain on your crank arm. Packaged into a durable, lightweight design and compatible with broad ANT+ and Bluetooth head units, PRECISION helps you train harder and smarter.

Key Features

  • ANT+ and Bluetooth Compatibility
  • Built in Cadence Sensor
  • 9g additional weight over standard crank arm
  • Less than 5 minute installation
  • Easy APP or Garmin head unit based calibration
  • Very similar to the more well known Stages power meter
  • Up to 120hrs battery life from CR2032 battery (2 included)
  •  Independent testing showed better weather protection than Stages meter

What's in the Box?

  • 5800 105 Left Sided Crank Arm Silver or Black with 4iiii Meter Attached
  • Spare Battery
  • Fitting Instructions

Stock, Shipping and Returns

Shipping Destinations: United Kingdom

Returns Class: Standard

Delivery: Free in the UK

Click and Collect: Yes

In Stock: Yes


Independent review legend DC Rainmaker gave an in depth review of the Precision 4iiii, read what he had to make of it here. 

PRECISION Power Meter from 4iiii Innovations on Vimeo.


Questions & Answers

Have a Question?

Be the first to ask a question about this.

Ask a Question