NIU Motor Controller - NIU KQi 300X CS 500 BRAKES Their CDI units are trusted
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NIU Motor Controller NIU KQi 300X CS 500 BRAKES Their CDI units are trusted Their CDI units are trusted by enthusiasts and tuners worldwide for consistent quality and measurable performance gains and studs supplied together OEM NIU Motor Control ECU unit for Niu KQi 300X model electric scooters This product is not returnable