NIU XQi3 Street and XQi3 Wild electrical components diagram showing Street controller, 72V 32Ah battery pack, main wire harness, power line, motor, motor mounting shaft, motor shaft sleeve, DC-DC converter, front wheel driven sprocket, chain, 72V 6A battery charger, emergency lock, voice speaker box, horn, flat washer, self-locking nut, and hexagon socket head screws for OEM NIU XQi3 Street and XQi3 Wild electrical and drivetrain system replacement parts.