No! No zeroing or calibrating is required. If, out of habit, you re-zero, tare or press Calibrate every day, that’s also fine, but it is not necessary, and if performed incorrectly it could alter the accuracy of your left/right balance readings. In the event of a major bike crash directly impacting the crank, you can use your ANT+ enabled device to calibrate InfoCrank.
To calibrate InfoCrank correctly:
1. Position crank arms at 12/6 o'clock (vertically)
2. Ensure there is not load on crank arms
3. Select calibrate/manual zero on bike computer
4. Done ;)
Here's an example of what you would see if your crank has been incorrectly calibrated:
If the cranks were tared while horizontal, the weight of the pedal and crank arm on the strain gauges adds approximately 100 grams to the zero reading. At 90 cadence, 100 grams is equivalent to 1.6 Watts. If the rider was producing 100 Watts then the balance would show as 98/2. If the rider now rode using the other leg, it would show 0/100 balance.
For questions or concerns regarding calibration please email email@example.com
Modified on: Tue, Mar 5, 2019 at 7:23 AM
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