4iiii Precision pro dual Shimano kranksæt R7000 105 dual

€ 639,34


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The 4iiii R8000 power meter is a lightweight design and adds only 9 grams to the standard Shimano crank. This makes it the lightest power meter on the market. The power meter has a very accurate measurement with only +/-1% deviation. The 4iiii R8000 power meter determines your total power, but is based on the power that’s generated by your left leg. 

The 4iiii R8000 power meter can be installed easily, and the configuration is done with 4iiii Device Configuration. This app is available for Android and iOS. With this app, you can also check the state of the CR2032 button cell battery. This battery lasts for more than 100 hours of riding. The power meter unit weighs only 9 grams and the measurement deviation is only +/- 1%.

Ridden 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 Factory Install is installed on your existing crankset at our factory. 

Place your order, and we’ll be in touch to let you know how to send us your crank and when you can expect it back in your hands.

Factory Install crank compatibility list (pdf)


  • 3D power meter technology (patent pending) measures tri-axial strain on your crank
  • 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
  • Over-the-air upgrade capability for adding new features and updates



  • Weight: 25 grams
  • Data accuracy: +/- 1% error margin
  • Battery life: 100+ hours on 2032 coin cell battery
  • Battery status indicator: Alert at 15% battery power
4iiii wattmåler Precision 2
4iiii left or dual powermeter dualside powermeter
4iiii - Batteritype Battery Cr2032