Detailed Description Of Ride Metrics - Schwinn MPower Echelon2 Owner's Manual

Detailed Description of Ride Metrics

Power
• Power is the energy per second that the rider produces. It is measured in watts just as on outdoor bike power
meters.
• Power can be displayed in up to 4 digits.
• Given the differences between outdoor and indoor bikes, and differences in riding conditions, it is common for
a rider to have a different power output on an indoor bike than on an outdoor bike.
For use with the Echelon2 sensor type:
• Power is determined by measuring the position of the resistance mechanism, then a highly refined calculates
power.
• Schwinn validated the power accuracy using an in-house, calibrated dynamometer; margin of error is generally
±5%.
• Proper calibration of the power sensor is crucial to achieving a high level of accuracy.
• Magnet gap is set at the factory, but Schwinn recommends checking magnet gap to ensure it is properly set.
• Instructions for checking magnet gap and calibration the power sensor can be found on the Schwinn
Equipment support website at
• Schwinn does not validate the accuracy of the Echelon2 against commercial road bike power meters since all
power meters measure power differently. Therefore, it is possible that the power reported by the Echelon2 will
not match the power reported by commercial power meters for road bikes.
• Proper calibration of the power sensor is crucial to achieving a high level of accuracy.
• The accuracy of power output and consistency of power between bikes can be adjusted using a feature in the
CALIBRATION menu called POWER ADJUST.
• The POWER ADJUST feature can also be used in cases where a studio wants to match the reported power of the
Echelon2 to any specific outdoor power meter.
For use with the 4iiii sensor type:
• Power is a direct measurement from the 4iii Powermeter via crank strain
• 4iiii validated the power accuracy in-house; margin of error is generally ±1.5%.
• Proper calibration of the powermeter via 4iiii app is crucial to achieving a high level of accuracy.
• If upgrading from Echelon2 sensor type to 4iiii sensor type, you will see a slight reduction of power based on
the improved accuracy of direct strain gauge measurement from the crank that also considers biomechanical
pedaling technique and inefficiencies.
RPM
• RPM measures the rotations per minute of the crank arm and is either measured by the RPM sensor if using
Echelon2 sensor type, or transmitted from the 4iii Powermeter
• There is no minimum RPM requirement for starting the ride timer.
Gear
• Expresses level of resistance. The gear number increases as the resistance knob is turned clockwise.
• Gears cover a range of POWER values.
• Gear display can be turned off in the settings menu if desired.
Calories (CAL)
• Calories on the Echelon2 are calculated directly from the power assuming the rider has an average fitness level.
Calories are a measure of energy expended while on the bike.
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