Pneumatic(Air) Tires And Inner Tubes  24x1-3/8 Inch, 37-540mm, LIGHT GRAY,                                                   Tread C63, 75 PSI (Recommended 40 PSI)


Fits All Brands Of Manual Wheel Chair Models, Including Quickie, Ti-lite & Invacare.


This is for 2 Tires And 2 Inner Tubes