Fix the Bosch E-bike 503 Error and Speed Not Reading

Does your Bosch electric bike have a Bosch E-Bike 503 error or is the speed not reading? 90% of the time it is a simple fix of realigning the magnet on the rear wheel.
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ABOUT:
Hey there 👋🏼 I'm Arleigh. A bike mechanic helping you with cycling tech. Work: @ternbicycles
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