Magnet fitted
Diametric magnet on the rear shaft, where the S1’s on-board encoder expects it.

Rear shaft and encoder magnet fitted
The S1 reads a diametric magnet on the motor’s rear shaft. These motors come with it fitted and centred, so the driver mounts straight on.
Stepper motor, S1-ready goes on sale 1 December 2026. We’ll email you the moment it does.
Diametric magnet on the rear shaft, where the S1’s on-board encoder expects it.
Bipolar, four wires, for the S1’s motor terminal.