... -proof and maintenance-free;Used in wheelbarrow wheel;OEM accepted;Size available:6x2, 250-4,300-4, 410/350-4, 400 ... , 400-8, 450-8, 650-8, 850-8,400-10 …Tire size: 350-8Pattern available: Line/long square/diamond/low comb/deep ... sent to a tire-building machine,where a worker builds up the rubber layers to form the tire.At this point,the tire is called a "green tire."After ...