... wheel/hand trolley wheelWide Range of Use: for wheel barrow,hand trolley,tool cart,dustbin,lawnmover,equipment ,machine etc 2. pneumatic wheel=Tyre + Tube + ... Colour: Black,Grey etc 2.2. Inner Tube Material: Natural rubber and Butyl rubberInner Tube Rubber Percentage: 20%,30%,40% ... We have own factory for Rubber Wheel,Solid Wheel,Flat Free Wheel,Motorcycle Tyre,Wheelbarrow Tyre,Inner Tube etc. we can ...