Replacement controller (024-48T) for 2020 Surface 604 Shred models, compatible with all 2020 variations. Also works with 2021 Shred and Quad bikes.
The controller regulates power delivery from the battery to the motor, interpreting sensor data and rider inputs to provide smooth, appropriate electric assist. Signs that you may need a new controller include error codes, motor cutting in and out, or the bike not responding to pedal input. Direct plug-in replacement for the existing wiring harness.
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