... 400-8etc. 2.good gas tightness 3. tire inner tube 4,OEM accepted 1. Variety: Pneumatic Wheel,Solid ... Wheel,Castor Wheel, Wheelbarrow Tyre&tube and etc.2. Pneuamatic Wheel=Tyre + Tube + Rim assembled2.1. Main ... Flower and moreTyre Colour: Black,redetc2.3. Inner Tube Material: Natural rubberInner Tube Rubber Percentage: 20%,30%,40% and ... ,tool cart etc 2.5. tire inner tube 3.50-8 tire inner tube 3.50-8