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Saris Mag wheel-on magnetic trainer

Model: Mag (Saris SKU 1020T; formerly CycleOps Mag) · US configuration

Saris Mag wheel-on magnetic trainer in use at the rear tire, with the black resistance roller and trainer frame visible.
Official Saris Mag image in use; check SKU 1020T, tire and axle fit.

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An unpowered wheel-on trainer with five manually selected magnetic settings; its base configuration has no handlebar shifter or app-controlled brake. A separate speed or cadence sensor can add ride data, but does not make the resistance interactive.

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Why consider this model?

  • A possible choice when you want the rear wheel to stay installed, prefer a simple unpowered magnetic trainer and are comfortable changing resistance by hand at the trainer.

Tradeoffs to weigh

  • The Mag does not automatically respond to an app and its base 1020T package has no handlebar shifter, speed sensor, trainer cassette or Cog/Click. Tire and axle compatibility are narrower than the broad wheel-on label suggests.
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Manufacturer information