How to install a power meter on your bike

Installing and using the 4iiii Precision Powermeter

Aug. 28, 2019 - Willem L. Middelkoop

After I created a minimal road bike, I decided to install a power meter to find out what's it like to measure the power output of my legs. What can you learn from a power meter? Is it difficult to install? Is it worth it? Read along to find out.

Make sure the battery is installed and the covering door is locked

Data from the power meter, compared with speed, cadence and heart rate data

4iiii Precision Powermeter - used by the professional cycling team Quick-Step / Bora Hansgrohe

Tightening the crank arm using a torque wrench

The crank arm has it's model and length written on it, on my bike that's: FC-5800, 172.5MM

Wahoo RFLKT+ showing realtime data from my bike computer app - obviously I was standing still here... all the zero's (except my heart rate)

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