Green Line Inner Tube (8.5*2); Niu KQi 1, Ninebot E22, E25

Green Line Inner Tube 8.5 x 2 fits front and rear wheels on all Niu KQi1 Pro and KQi1 Sport models, Segway Ninebot E22, E25 models, and other scooters with 9 x 2.3 or 9 x 2 inch rims.