NIU XQi3 Street and XQi3 Wild left handlebar diagram showing USB fast charger, front brake assembly, front brake oil joint, front brake master cylinder with cover, front brake switch, front brake lever, front brake caliper, headlight and turn signal switch, left combination switch, left grip, handlebar grip bar end, rearview mirror, and brake line guard for OEM NIU XQi3 Street and XQi3 Wild left handlebar and brake control system replacement parts.