Rear Fender Extension; NIU KQi3 MAX
Motor Controller; NIU KQi2
Front Fork Adapter; NIU KQi1 Sport
Right Fork Cover; NIU KQi2
Folding Lock Assembly; NIU KQi3, KQi 300P/X
Right Handlebar Grip; NIU KQi1 Pro, KQi1 Sport
Left Grip; NIU KQi 300P/X, KQi Air/Air X
Drum Brake; NIU KQi1 Pro, KQi1 Sport, KQi2
Front Brake Cable; NIU KQi2
Rear Fender; NIU KQi 300P, KQi 300X