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Bayern Rundfahrt
Photo ©: Schaaf


Tech feature: Saris/CycleOps/PowerTap 2009 product launch, June 18, 2008

The linear stepper motor simply alters the distance from the magnets to the conductive zinc flywheel, thus altering the strength of the magnetic field and resistance.
Photo ©: James Huang/Cyclingnews.com

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