Replacement controller for the smartGyro Speedway C and Rockway C electric scooters, 48V and 21A, with SM and XT connectors. It is the electronic board that manages the power from the battery to the motor, the throttle and the brake, so when it fails the scooter may not start, cut out while riding or not respond to the throttle. Before ordering, confirm that your model is one of those listed and that the voltage and connectors match the original. We recommend having it installed by a technician.
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