KQi Rear Reflectors fit Niu KQi Air and Niu KQi Air X models. Visit our Shop by Diagram page to easily see all Niu KQi parts available for your scooter.About NIU: NIU Technologies (NASDAQ: NIU), founded in 2014, is the worldโs leading provider of smart urban mobility solutions that embrace technology, style and freedom. NIU is committed to continuously providing global customers with more convenient and environmentally friendly smart urban mobility vehicles to make life better. Make life electric with NIU.