4iiii Factory Install PRECISION2 Right (MTB or Road)

€ 426,00


Compatible Left Crank::

Choose variant

idden by the pros, PRECISION PRO dual-side power meters deliver all the benefits of our left-side model (exceptional accuracy, lightweight design, ANT+ and Bluetooth compatibility, 3D power meter technology), plus a specific breakdown of left and right wattage. Perfect for those who need specific power output from each crank side, or anyone who simply wants the best power meter on the market. 

The PRECISION PRO Upgrade Factory Install is installed on your existing crank at our factory. 


Factory Install crank compatibility list (pdf)



  • 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


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


Software & Documentation

4iiii wattmåler Precision 2
4iiii left or dual powermeter Singleside powermeter , Install powermeter
4iiii - Batteritype Battery Cr2032