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PRECISION
Factory Install (installed on your left crank arm)

$399.99

Product Details

Whether you’re a pro or simply training hard, PRECISION left side power meters deliver 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.


PRECISION Factory Install is installed on your existing left crank.

Factory Install crank compatibility list (pdf)

More Details

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In Depth


Features

  • 3D power meter technology (patent pending) measures tri-axial strain on your crank arm
  • Accurate, consistent data
  • Lightweight, compact design
  • Battery status indicator via 4iiii app
  • Compatible with ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products
  • User-friendly app and configurable rider compensation scale factor
  • Easy setup and maintenance

Specifications

  • Weight: 9 grams
  • Data accuracy: +/- 1% error margin
  • Battery life: 100+ riding hours on 2032 coin cell battery


Resources

Software & Documentation

How does it work?

Through our custom install process, PRECISION can be installed on a wide variety of crank arms and bike frames. We’ll work with you to determine the best fit for your bike.
Once you place your order, we get in touch with the shipping logistics. You’ll then send us your left crank arm, we install a PRECISION left-side power meter on it, and we ship it back to you. 


Orders shipped outside of Canada and the USA are subject to applicable VAT and duties.

Display Compatibility

Android Apps
  • CatEye Cyling
  • Endomondo
  • Strava
  • Wahoo Fitness: Workout Tracker
  • plus other apps supporting Bluetooth Smart/LE bike power devices
CATEYE
  • Stealth evo+
  • Stealth 50
  • Strada Smart
  • Padrone Smart
  • Padrone Smart+
Garmin
  • Edge 500
  • Edge 510
  • Edge 520
  • Edge 800
  • Edge 810
  • Edge 820
  • Edge 1000
  • Edge Explore 1000
  • epix
  • Forerunner 310XT
  • Forerunner 735XT
  • Forerunner 910XT
  • Forerunner 920XT
  • fenix 2
  • fenix 3
  • fenix 3 HR
    Polar
    • M450
    • V800 BTLE
    Please note the Polar V650 is not compatible

    Suunto
    • Ambit3 Sport (Bluetooth)

    iOS Apps

    • CatEye Cycling
    • Endomondo
    • Strava
    • TrainerRoad
    • Wahoo Fitness: Workout Tracker
    • plus other apps supporting Bluetooth Smart/LE bike power devices