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What is Torque Effectiveness?
The Torque Effectiveness (TE) metric is calculated on dual sided Rally and Vector power meter pedals by analyzing the positive (forward) and negative (backward) torque applied to the crank over each revolution.
The following diagram shows a typical power curve for one crank arm, where P+ represents the positive power applied to the crank and is the sum of the instantaneous power measurements. Similarly, P- is the sum of the negative instantaneous power measurements. P- is typically produced when the backstroke of one leg is opposing the downstroke of the other leg.
Torque Effectiveness = (((P+) + (P-))/(P+)) x 100
How Do I Display Torque Effectiveness on My Garmin Device?
Compatible head units when running the latest available software can display Torque Effectiveness by enabling the feature following these steps:
NOTE: Torque effectiveness can only be displayed when the power meter pedal is transmitting data via ANT+. This data cannot be transmitted when connected via a Bluetooth connection.
Navigate to your sensors details page and select your connected Vector Power Meter.
Select Sensor Details.
Select Cycling Dynamics.
Toggle Torque Effect. Pedal Smooth. to the on position.
This data will also be recorded to the FIT activity file generated by the head unit, allowing TE values to be displayed in the ride history and uploaded to power analysis tools.