Control unit controller YK31C 48V 500W 3-stage regulator 7 km/h 15 km/h 25 km/h ATV 1x HMParts Controller YK31C 48V 500W 3-step regulators 7 km/h 15 km/h 25 km/h ATV Please compare your old or defective spare part with our description and pictures, so that a bad purchase can be virtually ruled out. This allows you to focus on your project Time and Money save ;). If you have any questions, we are of course happy to help you during our opening hours.
